Question: 8.1 St A simple random sample of size n = 49 is obtained from a population with u = 73 and o = 21. (a)

8.1

St A simple random sample of size n = 49 is obtained from a population with u = 73 and o = 21. (a) Describe the sampling distribution of x. (b) What is P (x > 77.95) ? (c) What is P (x 5 66.7) ? ne (d) What is P (69.7

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