Mathematics, 13.12.2019 23:31 extasisjorge
Suppose a simple random sample of size nequals49 is obtained from a population with mu equals 78 and sigma equals 28.
(a) describe the sampling distribution of x overbar.
(b) what is upper p (x overbar greater than 83.8 )?
(c) what is upper p (x overbar less than or equals 69.6 )?
(d) what is upper p (75.8 less than x overbar less than 88 )?
Answers: 3
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Suppose a simple random sample of size nequals49 is obtained from a population with mu equals 78 and...
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