The average price of a college math textbook is $171 and the standard deviation is $27. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 48, find the probability that the average price is between $165 and $169. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent) For part b), is the assumption that the distribution is normal necessary? NoYes
The average price of a college math textbook is $171 and the standard deviation is $27. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 48, find the probability that the average price is between $165 and $169. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent) For part b), is the assumption that the distribution is normal necessary? NoYes
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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The average price of a college math textbook is $171 and the standard deviation is $27. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.
- What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)
- For the group of 48, find the
probability that the average price is between $165 and $169. - Find the third quartile for the average textbook price for this
sample size . $ (round to the nearest cent) - For part b), is the assumption that the distribution is normal necessary? NoYes
NOTE.......
- Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent...........$ 173.6286.......IS INCORRECT. PLEASE SUBMIT THE CORRECT ANSWER
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