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The average number of words in a romance novel is 64,031 and the standard deviation is...

The average number of words in a romance novel is 64,031 and the standard deviation is 17,075. 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 58,908 and 70,861 words.

c. The 75th percentile for novels is words. (Round to the nearest word) d. The middle 60% of romance novels have from words to words. (Round to the nearest word)

math   Statistics-And-Probability   
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