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Find the mean and standard deviation of sampling Old A simple random sample of size n = 81 is obtained from a population with u

Find the mean and standard deviation of sampling

Old A simple random sample of size n = 81 is obtained from a population with u = 71 and o = 27. (a) Describe the sampling distribution of x. (b) What is P (x > 75.2) ? (c) What is P (x 5 63.95) ? me (d) What is P (66.95

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