Mathematics, 23.04.2020 00:53, LEXIEXO
A simple random sample of size equals 49 is obtained from a population with mu equals 84 and sigma equals 14. (a) Describe the sampling distribution of x overbar. (b) What is Upper P (x overbar greater than 87.8 )
Answers: 3
is given by;
)
~ N(0,1)
= population mean = 84
= standard deviation = 14
) = P(Z > 1.90) = 1 - P(Z 
1.90)
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