The average number of words in a romance novel is 64,200 and the standard deviation is...

The average number of words in a romance novel is 64,200 and the standard deviation is 17,431. 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 62,457 and 74,659 words.

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

d. The middle 80% of romance novels have from words to words. (Round to the nearest word)

Expert Solution

(a) X ~ N(64200 , 17431)

(b)

(c)

(d)

orchestra answered 1 year ago

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