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In his game on July 9, 2017, pitcher Clayton Kershaw's distribution of fastball speed was roughly normal with a mean of 92.3 mph and a
In his game on July 9, 2017, pitcher Clayton Kershaw's distribution of fastball speed was roughly normal with a mean of 92.3 mph and a standard deviation of 0.7 mph.
- About what percentage of his fastballs were greater than 95 mph?
- About what percentage of his fastballs were less than 93 mph?
- About what percentage of his fastballs were between 91 and 92 mph?
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Elementary Statistics Picturing The World
Authors: Betsy Farber, Ron Larson
7th Global Edition
1292260467, 978-1292260464
