Mathematics, 30.10.2019 04:31, dannaasc3282

Suppose a simple random sample of size nequals81 is obtained from a population with mu equals 81 and sigma equals 36. (a) describe the sampling distribution of x overbar. (b) what is upper p (x overbar greater than 86.4 )? (c) what is upper p (x overbar less than or equals 71.8 )? (d) what is upper p (79 less than x overbar less than 87.4 )?

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Suppose a simple random sample of size nequals81 is obtained from a population with mu equals 81 and...