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(3 points) Given a normal population whose mean is 615 and whose standard deviation is 79, find each of the following: A. The probability

(3 points) Given a normal population whose mean is 615 and whose standard deviation is 79, find each of the following: A. The probability that a random sample of 7 has a mean between 631 and 642. Probability = B. The probability that a random sample of 15 has a mean between 631 and 642. Probability = C. The probability that a random sample of 29 has a mean between 631 and 642. Probability =

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