Question
According to a report from a business intelligence company, smartphone owners are using an average of 16 apps per month. Assume that number of apps
According to a report from a business intelligence company, smartphone owners are using an average of
16
apps per month. Assume that number of apps used per month by smartphone owners is normally distributed and that the standard deviation is 7
If you select a random sample of
25
smartphone owners, what is the probability that the sample mean is between
15.5
and
16.5?
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
10th edition
470458364, 470458365, 978-0470458365
