A simple random sample of size n=64 is obtained from a population with a mean of...

Question

Question

A simple random sample of size n=64 is obtained from a population with a mean of 74 and a standard deviation of 8.

a) Describe the sampling distribution of x

b) what is P(x ≤ 75.8)?

c) What is P(x ≥ 71.7)?

d) What is P (72.7 < x < 75.8)?

math Statistics-And-Probability

Answer 1

Answer #1

Answer 2

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