given x= 0.8531 population mean= 0.8596 standard deviation = 0.0522 n= 460 find the z score...

Question

Question

given

x= 0.8531

population mean= 0.8596

standard deviation = 0.0522

n= 460

find the z score and the accumulative area

math Statistics-And-Probability

Answer 1

Answer #1

z score for x = 0.8531:

z = (0.8531 - 0.8596)/(0.0522/) = -2.67

Cumulative area = P(z < -2.67) = 0.0038

Answer 2

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