Question 3
The average number of words in a romance novel is 64,290 and the standard deviation is 17,028.
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( 64290
b. Find the proportion of all novels that are between 65,993 and 81,318 words. 0.3015
c. The 70th percentile for novels is
17028
words. (Round to the nearest word)
d. The middle 40% of romance novels have from
to the nearest word)
words to
words. (Round
