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Suppose a simple random sample of size n = 49 is obtained from a population with u = 74 and o = 28. (a) Describe

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Suppose a simple random sample of size n = 49 is obtained from a population with u = 74 and o = 28. (a) Describe the sampling distribution of x. (b) What is P (x > 78.4) ? (c) What is P (x 5 65.2) ? (d) What is P (71.2 78.4) = (Round to four decimal places as needed.)

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