Mathematics, 26.03.2020 00:30 jerenasmith8
According to a report from a business intelligence company, smartphone owners are using an average of 18 apps per month. Assume that number of apps used per month by smartphone owners is normally distributed and that the standard deviation is 7. Complete parts (a) through (d) below.
a. If you select a random sample of 36 smartphone owners, what is the probability that the sample mean is between 17.5 and 18.5?
nothing (Round to three decimal places as needed.)
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According to a report from a business intelligence company, smartphone owners are using an average o...
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