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OpenStudy (anonymous):
A population has a mean of 50 and a standard deviation of 16. If a random sample of 49 is taken, what is the probability that the sample mean is each of the following? a. Greater than 57 b. Less than 53 c. Less than 51 d. Between 47.5 and 51.5 e. Between 50.2 and 51.1
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