MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
The overhead reach distances of adult females are normally distributed with a mean of
205.5 cm
and a standard deviation of
8 cm.
a. Find the probability that an individual distance is greater than
215.50
cm.b. Find the probability that the mean for
20
randomly selected distances is greater than 203.30 cm.c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
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