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A sample of n = 25 observations from a normal population is drawn. the population mean is 100 and the population (known) standard deviation is 20. find the probability that the sample mean is greater than
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A sample of n = 25 observations from a normal population is drawn. the population mean is 100 and the population (known) standard deviation is 20. find the probability that the sample mean is greater than 95.

User Renie
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The answer I think is D.
User Aykut
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