1178°FSunny210AZ2WSQuestion 6altSuppose that the number of Facebook friends users have is normally distributed with a mean of 130 and astandard deviation of about 59. Assume forty-eight individuals are randomly chosen. Answer the followingquestions. Round all answers to 4 decimal places where possible.X#a. What is the distribution of ? Nb. For the group of 48, find the probability that the average number of friends is less than 136.115 *3c. Find the third quartile for the average number of Facebook friends. Round to 2 decimal places,d. For part b), is the assumption that the distribution. s normal necessary? Yes NoQuestion Help:Written Example Message instructorSubmit Question Jump to AnswerM$▾04CR( >LL%F5Q SearchT^406&VI B7G H4+*UN800J--(19KMO4(20)Palt 78°FSunny@2WaltThe average number of miles (in thousands) that a car's tire will function before needing replacement is 68and the standard deviation is 13. Suppose that 45 randomly selected tires are tested. Round all answers to4 decimal places where possible and assume a normal distribution.X#3a. What is the distribution of X? X-NOb. What is the distribution of ? NOc. If a randomly selected individual tire is tested, find the probability that the number of miles (inthousands) before it will need replacement is between 67.5 and 70.2.d. For the 45 tires tested, find the probability that the average miles (in thousands) before need ofreplacement is between 67.5 and 70.2.e. For part d), is the assumption that the distribution is normal necessary? O No YesQuestion Help:Written Example Message instructorJump to AnswerESubmit Question$1014SDECRF%▬▬ Q Search5VTAG406&7H*CB N008J(9510KM941OvO44LCATPAalt

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Suppose that the number of Facebook friends users have is normally distributed with a mean of 130 and a standard deviation of about 59. Assume forty-eight individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of ?Z-NO b. For the group of 48, find the probability that the average number of friends is less than 136. c. Find the third quartile for the average number of Facebook friends. Round to 2 decimal places.

Suppose that the number of Facebook friends users have is normally distributed with a mean of 130 and a standard deviation of about 59. Assume forty-eight individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of ?Z-NO b. For the group of 48, find the probability that the average number of friends is less than 136. c. Find the third quartile for the average number of Facebook friends. Round to 2 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 22PFA

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