Mathematics, 12.04.2021 14:00 pleasehelpme666

Time spent using e-mail per session is normally distributed, with 14 minutes and 2 minutes. a. If you select a random sample of 50 sessions, what is the probability that the sample mean is between 13.8 and 14.2 minutes?
nothing (Round to three decimal places as needed.)

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Time spent using e-mail per session is normally distributed, with 14 minutes and 2 minutes. a. If...

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