The average price of a college math textbook is $167, and the standard deviation is $28. Suppose that 44 textbooks are randomly chosen. Round all answers to four decimal places where possible.a. What is the distribution of $ \overline{x} $? $\overline{x} \sim N(\, \_\_\_\_\_\_\_\_\_\_\_, \_\_\_\_\_\_\_\_\_\_\_ \,)$b. For the group of 44, find the probability that the average price is between $173 and $178. \[\_\_\_\_\_\_\_\_\_\_\_\]c. Find the third quartile for the average textbook price for this sample size. $[\_\_\_\_\_\_\_\_\_\_\_\] (round to the nearest cent)d. For part b), is the assumption that the distribution is normal necessary? [ ] No [ ] Yes

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Description: The average price of a college math textbook is $167, and the standard deviation is $28. Suppose that 44 textbooks are randomly chosen. Round all answers to four decimal places where possible.a. What is the distribution of $ \overline{x} $? \(\ove

a. The mean is 167, standard deviation is 28. The sample size is 44. Let x¯ represents the average…

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a. What is the distribution of ? a - N( b. For the group of 44, find the probability that the average price is between $173 and $178. c. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? No Yes

a. What is the distribution of ? a - N( b. For the group of 44, find the probability that the average price is between $173 and $178. c. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? No Yes

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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