Ch 7 HW: The Central Limit Theorem Score: 10.15/30 Question 10 6/10 answered < > The...

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Ch 7 HW: The Central Limit Theorem Score: 10.15/30 Question 10 6/10 answered < > The average price of a college math textbook is $169 and the standard deviation is $28. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? x - N( b. For the group of 14, find the probability that the average price is between $163 and $174. c. Find the first quartile for the average textbook price for this sample size. $ nearest cent) d. For part b), is the assumption that the distribution is normal necessary? Yes No (round to the Ch 7 HW: The Central Limit Theorem Score: 10.15/30 Question 10 6/10 answered < > The average price of a college math textbook is $169 and the standard deviation is $28. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? x - N( b. For the group of 14, find the probability that the average price is between $163 and $174. c. Find the first quartile for the average textbook price for this sample size. $ nearest cent) d. For part b), is the assumption that the distribution is normal necessary? Yes No (round to the

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To solve this problem well use the Central Limit Theorem to approximate the distribution of the samp... View the full answer