(CORRECT ANSWER) MATH225N Week 6 Quiz : Lisa has collected data to find that the number of pages per book on a book shelf has a normal distribution.
QUESTION 24 (Next Q is a slight variation of this question)
Lisa has collected data to find that the number of pages per book on a book shelf has a normal distribution. What is the probability that a randomly selected book has fewer than 144 pages if the mean is 186 pages and the standard deviation is 21 pages? Use the empirical rule. Enter your answer as a percent rounded to two decimal places if necessary.
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