The lengths of adult males' hands are normally distributed with mean 188 mm and standard deviation is 7.4mm. Suppose that 8 individuals are randomly chosen. Round all answers to 4 where possible.a. What is the distribution of ? ¤ -b. For the group of 8, find the probability that the average hand length is less than 185.c. Find the third quartile for the average adult male hand length for this sample size.d. For part b), is the assumption that the distribution is normal necessary? O NoO Yes

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation is 7.4 mm. Suppose that 8 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of x? ¤ - N( b. For the group of 8, find the probability that the average hand length is less than 189. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O NoO Yes

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