he average number of words in a romance novel is 64,491 and the standard deviation is 17,283. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(,) b. Find the proportion of all novels that are between 62,763 and 76,589 words.  c. The 95th percentile for novels is  words. (Round to the nearest

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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he average number of words in a romance novel is 64,491 and the standard deviation is 17,283. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible.

a. What is the distribution of X? X ~ N(,)

b. Find the proportion of all novels that are between 62,763 and 76,589 words. 

c. The 95th percentile for novels is  words. (Round to the nearest word)

d. The middle 50% of romance novels have from  words to  words. (Round to the nearest word)

 

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