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Time spent using email per session is normally distributed with u = 11 minutes and o = 2 minutes. If you select
a random sample of 50 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes?
...between 10.5 and 11 minutes.
If you select a random sample of 200 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes?
 7 months ago
 7 months ago
Time spent using email per session is normally distributed with u = 11 minutes and o = 2 minutes. If you select a random sample of 50 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes? ...between 10.5 and 11 minutes. If you select a random sample of 200 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes?
 7 months ago
 7 months ago

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