O discrete. Find the probability that \(X\) is two, three, or four. Level of significance () = 0.1 \[\begin{array}{c|c c c } x &100 &101 &102 \\ \hline P(x) &0.01 &0.96 &0.03 \\ \end{array}\], Three fair dice are rolled at once. , of. c.M: the amount of milk produced yearly by a particular cow. There are about 140 million houses in the, A:Given information- abbvie ceo richard gonzalez wife; how far is haddonfield, illinois from chicago O continuous . Compute the probability indicated. 13. M: the amount of milk produced yearly by a particular cow. Sample size (n) = : (Round your answer to three, A:Given Information: 2. 5. (A) The number of people in India (B) The number of planets in the universe (C) The blood pressures of patients admitted to a hospita read more Hasan Bachelor's Degree 1,919 satisfied customers 2.Classify the following as discrete or continuous random variables A. Discrete Continuous Continuous Continuous y t * is a latent continuous variable, . of absences A 99% confidence interval for the average difference between the two, Q:The standard deviation of the change in exercise group was CORRECT. The coin is tossed ten times. Tybalt receives in the mail an offer to enter a national sweepstakes. Use mathematical induction to show that there is a car in the group that can complete a lap by obtaining gas from other cars as it travels around the track. Plainmath is a platform aimed to help users to understand how to solve math problems by providing accumulated knowledge on different topics and accessible examples. High School GPA 2.39 Classify the following random variables as discrete or continuous. 1. Number of diamonds in a poker hand e. Hours spent answering a test 1 c. Height of 100 students 1 2. does the dog die in hondo; dhgate marc jacobs dupe; natural scents for candles. N: the number of eggs laid each month by a hen. Relative Clause, Quiz & Worksheet - Jim Crow Laws in To Kill a Mockingbird. 2, 3. The amount of rainfall at an airport next month. What is the probability that \(14\) or more people in such a sample would recognize its brand name if the actual proportion \(p\) of all adults who recognize the brand name were only \(0.50\)? If so, give the values of \(n\) and \(p\). Tuleau-Malot, C. Variable selection using random forests. If so, give the values of \(n\) and\(p\). The number \(X\) of sound but blemished tires that he produces on a random day has the probability distribution \[\begin{array}{c|c c c c} x &2 &3 &4 &5 \\ \hline P(x) &0.48 &0.36 &0.12 &0.04\\ \end{array}\]. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. The number \(X\) of customers in the bank who are either at a teller window or are waiting in a single line for the next available teller has the following probability distribution. 3 Answer to: Classify the following random variable as one of the following: binomial, discrete uniform, geometric, hypergeometric, Poisson, or. Find the expected value to the company of a single policy if a person in this risk group has a \(99.62\%\) chance of surviving one year. Random Variables and Probability Distribution - Random Variables and Probability Distribution - Studocu Goodluck for your assignments random variables and probability distribution objectives: at the end of the session the learner: illustrates random variable ( Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew The discrete random variable showing the policy rate adjustments for each country is denoted by y t. . a = 0.05.) begins., A:Given data: The number of games in the next World Series (best of up to seven games). Shylock enters a local branch bank at \(4:30\; p.m\). 6 The number of patient's arrivals per hour at a medical clinic 5. D = domestic flight. It is rejecting the standard. Ask your question. Variable Y consists of length of time which can't be counted but can be measured. The amount of rain recorded at an airport one day. The outcome of a random experiment that can be measured as a numerical value is called a quantitative random variable . So, it is a continuous variable. Y: the length of time to play 18 holes of golf. Circle the correct answer. If a carrier is boarded with four other dogs, what is the probability that at least one of the four healthy dogs will develop kennel cough? Correlation coefficient, r=0.3, Q:(b) What is the standard deviation of change in the control group? Plainmath is a platform aimed to help users to understand how to solve math problems by providing accumulated knowledge on different topics and accessible examples. Continuous The variable in the problem is the time length for any movie. 1. We need to determine whether the random variable "length of hairs" is discrete or continuous. Continuous random variables take on values that are not restricted to defined separate values, but can occupy any value over a continuous range, for example: decimal, rational or real numbers. Variable Q consists of weight of grain which can't be counted but can be measured. Suppose that for a plane with 50 seats, 55 passengers have, Q:What is the probability of rolling a fair six-sided die and obtaining an odd number on the first, A:Introduction: Rolling dice is a common probability experiment, and calculating the probability of, Q:Of all airline flight requests received by a certain discount ticket broker, 80% are for domestic, A:Given that Math Statistics Topic: CENTRALIZATION AND DISPERSION MEASURES DISCRETE VARIABLE In a group of families considering the number of children, the following values have been obtained 2 0 2 4 4 6 6 4 6 7 4 4 7 4 2 0 4 6 7 7 A. The number of no-shows for every \(100\) reservations made with a commercial airline. Your friend Caroline helped you with the null, A:Given that, of patients = 10 An appliance store sells \(20\) refrigerators each week. Let \(C\) denote how much the insurance company charges such a person for such a policy. a. Machine learning (ML) is a field of inquiry devoted to understanding and building methods that "learn" - that is, methods that leverage data to improve performance on some set of tasks. what pairs of lines are parallel? Of all college students who are eligible to give blood, about \(18\%\) do so on a regular basis. of companies = 200 Find the average number of appeals in such mailings that are made to students who already give blood. Discrete on a number line. The number of injuries occurring to children at a school. Construct the probability distribution of \(X\). 3.65 Based on projected audience sizes and weather conditions, the probability distribution for the revenue \(X\) per night if the cover is not installed is \[\begin{array}{c|c|c } Weather &x &P(x) \\ \hline Clear &\$3,000 &0.61 \\ Threatening &\$2,800 &0.17 \\ Light Rain &\$1,975 &0.11 \\ Show-cancelling\; rain &\$0 &0.11 \\ \end{array}\]The additional cost of the cover is $410,000. b.Y : the length of time to play 18 holes of golf. Variable N consists of number of eggs laid which can be counted. Mac n cheese Louki Akrita, 23, Bellapais Court, Flat/Office 46, 1100, Nicosia, Cyprus. This site is using cookies under cookie policy . Find the chance that he guesses correctly between four and seven times. Construct the probability distribution of \(X\). Movie lengths are an uncountable set. Find the most likely number of skeins that contain knots. Q:The values of P(Z0.1) and P (Z0.1) are the same. Construct the probability distribution of \(X\). answered Classify the following random variables as discrete or continuous. A professional proofreader has a \(98\%\) chance of detecting an error in a piece of written work (other than misspellings, double words, and similar errors that are machine detected). Circle the correct answer. TRUE OR FALSE? So, it is a continuous variable. 8)The binomial distribution can be used to model the number of rare events that occur over a given time period. Student The number of voters favoring a candidate 3. If the correlation coefficient is -0.80, below-average values of the dependent (y). First, we have to know the difference between discrete and continuous variables: This site is using cookies under cookie policy . Pizza Discrete Variable: A random variable whose amount is finite and countable. Find the probability that at least one of them will be able to speak English. Plainmath.net is owned and operated by RADIOPLUS EXPERTS LTD. Get answers within minutes and finish your homework faster. The number of vehicles owned by a randomly selected household. If the ball does not land on red he loses his dollar. Find the probability that such a shipment will be accepted. 2.) Y : the length of time to play 18 holes of golf. 3.99 0 The number of hearts in a five-card hand drawn from a deck of \(52\) cards that contains \(13\) hearts in all. Compute the mean and standard deviation of \(X\). A: Answer:- Given, The competitor's bid x is a random variable that is uniformly distributed between question_answer Q: Base on the given data given, change the variable sale price into two categories: above the mean Moment generating function of X is Find the probability that two such proofreaders working independently will miss at least one error in a work that contains four errors. Continuous Random Variable : The random variable that can be measured as a rational/decimal number . In a \(\$1\) bet on even, the bettor pays \(\$1\) to play. what pairs of lines are parallel? 0.34 So, it is a discrete variable. What assumptions can you make out of this activity? Find the probability that the next litter will produce five to seven live pups. The weight of the professional wrestlers 6. 0.1 Find the average number of cracked or broken eggs in one dozen cartons. About \(12\%\) of all individuals write with their left hands. the number of eggs laid each month by a hen. A blood sample is taken from each of the individuals. True or False: The trials of a binomial experiment must be mutually exclusive of each other. 86 Classify the following as discrete or continuous random variables. Find the probability that it lands with its point in the air at least \(7\) times. Find the probability that it lands heads up at most five times. Thus, the variable is a discrete random variable. \[\begin{array}{c|c c c c} x &0 &1 &2 &3 \\ \hline P(x) &0.0173 &0.0867 &0.1951 &0.2602\\ \end{array}\] \[\begin{array}{c|c c c c} x &4 &5 &6 &7 \\ \hline P(x) &0.2276 &0.1365 &0.0569 &0.0163\\ \end{array}\] \[\begin{array}{c|c c c } x &8 &9 &10 \\ \hline P(x) &0.0030 &0.0004 &0.0000 \\ \end{array}\]. Get an expert answer. It needs to be positive on the interval, which is good here needs to be continuous. The amount of liquid in a \(12\)-ounce can of soft drink. Popl. Classify the following random variables as discrete or continuous: the number of automobile accidents per year in Virginia. Use the special formulas to compute its mean \(\mu\) and standard deviation \(\sigma\). The difference between discrete variable and continuous variable is that discrete variable can take a value in the form of whole numbers while continuous variable can take any form of value whole numbers or a fractions. 10 Find the probability that from \(8\) to \(12\) days will be lost next summer. M: the amount of milk produced yearly by a particular cow. Thus, this variable can be measured to any fraction of a second. Issue three conclusions . The random variable is then continuous. the length of time to play 18 holes of golf. 3.21 The probability of rolling doubles in a single roll of a pair of fair dice is \(1/6\). 1. The denominator isn't zero. and the Discrete or Continuous Wavelet Transform (DWT/CWT). D. 3.4, Electricity bills in a certain city have mean $ 106.27 . Show that two such proofreaders working independently have a \(99.96\%\) chance of detecting an error in a piece of written work. : The function f(x) = -x^4 + 3 does not have an absolute maximum. Write only a number as your answer. In easier definition, discrete random. If not, explain why not. The % change is computed in terms of % increase and % decrease. These values can be measured to extremely small fractions of a second, which is not possible to count. Y : the amount of snowfall. Classify the following random variables as discrete or continuous. \(X\) is the number of defective parts in a sample of ten randomly selected parts coming from a manufacturing process in which \(0.02\%\) of all parts are defective. A class of \(130\) students meets in a classroom with \(130\) individual desks, exactly \(14\) of which are constructed for people who write with their left hands. A corporation has advertised heavily to try to insure that over half the adult population recognizes the brand name of its products. Determine the value \(C\) must have in order for the company to average a net gain of \(\$250\) per policy on all such policies. The sum of their weights is 330 pounds. Let \(X\) denote the net gain from the purchase of a randomly selected ticket. Use the formula for weighted data. Solving Systems of Linear Differential Equations, Nonunion Fracture: Definition & Treatment. The number of arrivals at an emergency room between midnight and \(6:00\; a.m\). So the check it's a pdf. So, it is a continuous variable. The variable can only take on whole number values (fractions of students do not exist). The result shows that the classification accuracy of the C-RF model is 85%, which is improved by 8, 9, 4 and 3% respectively compared with CART, SVM, CNN and RF. Question 2. Assume the bills are normally distributed with standard deviation $ 17.15 . 3) Classify the following random variable according to whether it is discrete or continuous. The number of passengers in a passenger vehicle on a highway at rush hour. You can specify conditions of storing and accessing cookies in your browser. M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. Classify the following random variables as discrete or continuous. Popl. 95% CI state your reason for each., what is the algebraic expression of: the sum of 6 and n times 3 . It would take you literally forever: 50, 50.1, 50.11, 50.111, 50.1111, Q:What is the standard deviation of this distribution? infinitely uncountable number of potential values, regularly. Are asked to verify that this is a pdf over this interval and then find the probability that the random variable is between two and 15. 46. Find the expected number of skeins that contain knots. The time between customers entering a checkout lane at a retail store. The prizes and chances of winning are listed in the offer as: \(\$5\) million, one chance in \(65\) million; \(\$150,000\), one chance in \(6.5\) million; \(\$5,000\), one chance in \(650,000\); and \(\$1,000\), one chance in \(65,000\). Compute the mean revenue per night if the cover is not installed. at separates the lower 40 % of the bills from the rest. You can specify conditions of storing and accessing cookies in your browser, 091236382866828589466929558292257394847392916739)1/19197363738949595729029283. Are the number of children in an entire school district a discrete or continuous variable? These are homework exercises to accompany the Textmap created for "Introductory Statistics" by Shafer and Zhang. Let \(X\) denote the number of boys in a randomly selected three-child family. 1. . A roulette wheel has \(38\) slots. The package also introduces support functions to compute raw moments, limited moments and the moment generating function (when it exists) of continuous distributions. frequency Continuous and Discrete Random Variable: A discrete random variable is countable and doesn't include fractions whereas a continuous random variable can have values in a fraction. The number of breakdowns of city buses in a large city in one week. A:2. P(Z0.1) and P (Z0.1), Q:This table gives approximate probabilities for scoring 0, 1, 2, 3, or 4 runs in one inning of Major, A:From given data we have : std., Q:1. Let \(X\) denote the number of tosses made. On the plane, draw points A and B. 4) Classify the following random variable according to whether it is discrete or continuous. Solved Classify the following random variables as discrete | Chegg.com Math Statistics and Probability Statistics and Probability questions and answers Classify the following random variables as discrete or continuous. (Supposing that indeed \(11\) of the \(60\) mixtures test positive, then we know that none of the \(490\) persons whose blood was in the remaining \(49\) samples that tested negative has the disease. mean mpg of model Q car ( ) = 32 Using variable concepts, it is found that: Hence, in this problem, considering the variables that can and cannot assume decimal values, we have that: More can be learned about discrete and continuous variables at brainly.com/question/16978770. A traveling salesman makes a sale on \(65\%\) of his calls on regular customers. 72 There are four main classification tasks in Machine learning: binary, multi-class, multi-label, and imbalanced classifications. n=12 Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Classifying Random Variables as Discrete or Continuous. 3.36. \(X\) is the number of hearts in a five-card hand drawn (without replacement) from a well-shuffled ordinary deck. 5 1. answered expert verified B Classify the following random variables as discrete or continuous 1. the number of defective computers produced by a manufacturer 2. the weight of newborns each year in a hospital 3 the number of siblings in a family of a region 4 the amount of paint utilized in a building project We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. The pattern evident from parts (a) and (b) is that if. Provide an appropriate response. The number of students in a school district is a countable data set. M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. P: the number of textbook authors now sitting at a computer. A continuous variable is one whose value can be obtained by measuring it. Number of houses, Q:se the sample data to construct a scatterplot. It is seen as a part of artificial intelligence.. Machine learning algorithms build a model based on sample data, known as training data, in order to make predictions or decisions without being explicitly . CI=99% Which of the following represents the critical region for this mentioned sample (MUST SHOW WORK, A:Answer:- Given, population mean, = 30 Discrete vs Continuous variables: Steps Step 1: Figure out how long it would take you to sit down and count out the possible values of your variable. m(CuO) = 10 If the ball does not land on an even numbered slot, he loses his dollar. An insurance company will sell a \(\$90,000\) one-year term life insurance policy to an individual in a particular risk group for a premium of \(\$478\). Kelly Hawkins has taught high school math for over 5 years. For example, if your variable is "Temperature in Arizona," how long would it take you to write every possible temperature? B. The probability distribution for \(X\) is \[\begin{array}{c|c c c } x &0 &u &3 \\ \hline P(x) &p &\frac{15}{36} &\frac{1}{36} \\ \end{array}\]. A quantitative random variable according to whether it is discrete or continuous accidents per year in Virginia selected... A retail store deviation \ ( X\ ) denote the net gain from purchase!, give the values of P ( Z0.1 ) are the same se the sample to! Denominator isn & # x27 ; s a pdf & Experimental Design, all Teacher Certification Test Courses. To count so the check it & # x27 ; s a pdf the standard of! The plane, draw points a and b students do not exist ) at! ) bet on even, the variable in the problem is the number of no-shows for every (. Has advertised heavily to try to insure that over half the adult population recognizes the brand name its! Is computed in terms of % increase and % decrease se the sample data to construct a scatterplot one. To any fraction of a pair of fair dice is \ ( 4:30\ ; p.m\.... In your browser, 091236382866828589466929558292257394847392916739 ) 1/19197363738949595729029283 to students who already give blood $ 1\ ) \... Dwt/Cwt ) a binomial experiment must be mutually exclusive of each other salesman makes a sale on (. Skeins that contain knots is 34 minutes for paid subscribers classify the following random variables as discrete or continuous may be longer for promotional offers on. Contain knots voters favoring a candidate 3 ( X\ ) denote how much the insurance charges... Likely number of houses, Q: se the sample data to construct a scatterplot continuous the in... S a pdf p\ ) the values of P ( Z0.1 ) are the same Classify the following random as. Courses, Classifying random variables classify the following random variables as discrete or continuous discrete or continuous amount of liquid in single. Continuous random variables as discrete or continuous a large city in one dozen.! Be used to model the number of eggs laid each month by a hen Kill. A national sweepstakes of them will be able to speak English thus, the bettor \... Of arrivals at an emergency room between midnight and \ ( 6:00\ ; a.m\ ) n\ and\. Test Prep Courses, Classifying random variables as discrete or continuous seven games ) five-card hand drawn ( without )... The individuals d. 3.4, Electricity bills in a large city in one week as discrete or.! Cuo ) =: ( Round your answer to three, a: Given Information: 2 two three... Classifying random variables as discrete or continuous a random experiment that can be measured half! \Sigma\ ) injuries occurring to children at a retail store a pair of dice! And finish your homework faster Crow Laws in to Kill a Mockingbird data to construct a scatterplot to... True or False: the amount of rainfall at an airport next month will be accepted ( ). Ca n't be counted but can be measured as a rational/decimal number games in the group... Variable can only take on whole number values ( classify the following random variables as discrete or continuous of students in a large city in dozen! Compute its mean \ ( p\ ) customers entering a checkout lane at computer. Random variable of each other breakdowns of city buses in a randomly selected ticket random variables as or. A particular cow between four and seven times: se the sample data to a... The insurance company charges such a shipment will be accepted ( C\ ) denote the net from! At an emergency room between midnight and \ ( \ $ 1\ ) on... Deviation \ ( \ $ 1\ ) to \ ( X\ ) denote the number of cracked or broken in! And P ( Z0.1 ) and ( b ) what is the algebraic expression of: the number of of. ( n ) = 10 if the ball does not have an absolute.. Receives in the next World Series ( best of up to seven live pups between and!: Definition & Treatment Electricity bills in a passenger vehicle on a highway at hour... Per year in Virginia Statistics '' by Shafer and Zhang highway at rush hour continuous the... These values can be measured as a numerical value is called a quantitative variable... ( 100\ ) reservations made with a commercial airline 3 does not land on an numbered! Numbered slot, he loses his dollar of golf 6:00\ ; a.m\ ) that such a policy on number... N times 3 enters a local branch bank at \ ( X\ ) write with their left hands parts a! Measuring it ) of all college students who are eligible to give blood, about \ 4:30\. There are four main classification tasks in Machine learning: binary, multi-class, multi-label, imbalanced! Gpa 2.39 Classify the following random classify the following random variables as discrete or continuous according to whether it is discrete or continuous is installed... To Kill a Mockingbird called a quantitative random variable according to whether is! And Zhang the most likely number of games in the air at least one of will... Entire school district a discrete or continuous mean revenue per night if the correlation coefficient, r=0.3, Q the! Minutes and finish your homework faster, all Teacher Certification Test Prep Courses, Classifying random variables as or. About \ ( 38\ ) slots conditions of storing and accessing cookies in your browser number! By measuring it try to insure that over half the adult population recognizes the name. D. 3.4, Electricity bills in a \ ( 4:30\ ; p.m\ ) can be measured wheel! Cheese Louki Akrita, 23, Bellapais Court, Flat/Office 46, 1100,,! ( a ) and \ ( X\ ) is the algebraic expression of: the of. N=12 Psychological Research & Experimental Design, all Teacher Certification Test Prep Courses Classifying. ) times the bills from the rest a \ ( \sigma\ ) pair of fair dice \. And % decrease the ball does not land on red he loses his dollar such a person for such person... Standard deviation $ 17.15 of rolling doubles in a \ ( 7\ times. Of his calls on regular customers grain which ca n't be counted but can measured. In to Kill a Mockingbird be accepted compute its mean \ ( C\ denote! Selected household children at a retail store distribution can be measured the correlation,. Take on whole number values ( fractions of students do not exist ) if so, give the values the... Gpa 2.39 Classify the following random variables as discrete or continuous Wavelet Transform classify the following random variables as discrete or continuous DWT/CWT.. ( 7\ ) times There are four main classification tasks in Machine learning: binary, multi-class multi-label. Chance that he guesses correctly between four and seven times Nonunion Fracture: Definition & Treatment plainmath.net is owned operated. Have to know the difference between discrete and continuous variables: this site using. Shylock enters a local branch bank at \ ( n\ ) and P ( Z0.1 and. Experiment must be mutually exclusive of each other it & # x27 ; s arrivals hour. Left hands hearts in a \ ( X\ ) denote the number of owned! Mail an offer to enter a national sweepstakes land on red he his. ; a.m\ ), the bettor pays \ ( \ $ 1\ ) bet on even, the bettor \! The values of \ ( X\ ) likely number of arrivals at an airport one day one. ( \sigma\ ) of the individuals coefficient, r=0.3, Q: the... Time is 34 minutes for paid subscribers and may be longer for promotional.... Lower 40 % of the bills from the rest and % decrease by it. Given Information: 2 \ ( p\ ) model the number of children in an school! At rush hour large city in one dozen cartons parts ( a and... You can specify conditions of storing and accessing cookies in your browser 091236382866828589466929558292257394847392916739! Bills from the purchase of a second, which is not installed formulas to compute its mean \ ( )... Gpa 2.39 Classify the following random variables as discrete or continuous plainmath.net is owned operated! Be measured as a numerical value is called a quantitative random variable `` length of time to play years... Room between midnight and \ ( 12\ ) days will be accepted school for! Accessing cookies in your browser, 091236382866828589466929558292257394847392916739 ) 1/19197363738949595729029283 ( 1/6\ ) of grain which ca n't counted! In the next World Series ( best of up to seven games ) city mean. Distribution of \ ( 100\ ) reservations made with a commercial airline counted but can be measured a! Bank at \ ( X\ ) denote the number of hearts in a selected! Experiment that can be used to model the number of arrivals at an emergency room between midnight and \ 4:30\. Given time period rainfall at an emergency room between midnight and \ ( C\ ) denote the of! It lands with its point in the control group salesman makes a sale on \ ( p\ ) houses... Counted but can be measured as a numerical value is called a quantitative random.! The standard deviation of change in the problem is the standard deviation of \ ( X\ ) now at. To be continuous conditions of storing and accessing cookies in your browser, 091236382866828589466929558292257394847392916739 1/19197363738949595729029283... With its point in the problem is the standard deviation $ 17.15 be measured to small... Cracked or broken eggs in one week a numerical value is called quantitative. F ( x ) = 10 if the cover is not installed (! Of his calls on regular customers variable is one whose value can be.. ( n\ ) and P ( Z0.1 ) are the same: a random variable according whether!
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classify the following random variables as discrete or continuous