The average price of a college math textbook is $155 and the standard deviation is $27....

  

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The average price of a college math textbook is $155 and the standard deviation is $27. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - N b. For the group of 14, find the probability that the average price is between $146 and $153. c. Find the first 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 The average price of a college math textbook is $155 and the standard deviation is $27. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - N b. For the group of 14, find the probability that the average price is between $146 and $153. c. Find the first 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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College Math Textbook Prices a Distribution of the Sample Mean x Yesthe distribution of the sample mean is approximately normalThis is due to the Cent... View the full answer