Question: 2. Time spent using e-mail per session is normally distributed, with mean of 8 minutes and standard deviation of 2 minutes. If you select a

 2. Time spent using e-mail per session is normally distributed, with

2. Time spent using e-mail per session is normally distributed, with mean of 8 minutes and standard deviation of 2 minutes. If you select a random sample of 25 sessions, A. What is the probability that the sample mean is between 7.8 and 8.2 minutes? B. What is the probability that the sample mean is between 7.5 and 8 minutes? C. If you select a random sample of 100 sessions, what is the probability that the sample mean is between 7.8 and 8.2 minutes

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