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Mathematics, 03.12.2019 04:31 ayoismeisjjjjuan
Asimple random sample of size nequals=8181 is obtained from a population with mu equals 77μ=77 and sigma equals 27σ=27. (a) describe the sampling distribution of x overbarx. (b) what is upper p (x overbar greater than 81.5 )p x> 81.5? (c) what is upper p (x overbar less than or equals 69.5 )p x≤69.5? (d) what is upper p (73.4 less than x overbar less than 84.05 )p 73.4
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Asimple random sample of size nequals=8181 is obtained from a population with mu equals 77μ=77 and s...
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