Question: A simple random sample of size n = 81 is obtained from a population with u = 86 and o = 27. (a) Describe the

A simple random sample of size n = 81 is obtained from a population with u = 86 and o = 27. (a) Describe the sampling distribution of x. (b) What is P (x > 89.6) ? (c) What is P (x = 79.7) ? (d) What is P (83.9

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