MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
Suppose the GPAs of all VVC students have an approximately normal distribution with a mean of 2.98 and a standard deviation of 0.31. Find the probability that the mean GPA of a random sample of 15 VVC students is
a. 3.13 or higher
b. 2.87 or lower
c. between 2.81 and 3.17
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