Given a normal population whose mean is 670 and whose standard deviation is 37 find...

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Given a normal population whose mean is 670 and whose standard deviation is 37 find each of the following A The probability that a random sample of 7 has a mean between 672 and 683 Probability B The probability that a random sample of 17 has a mean between 672 and 683 Probability C The probability that a random sample of 30 has a mean between 672 and 683 Probability

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