Question: A simple random sample of size n = 49 is obtained from a population with = 80 and = 14. (a) Describe the

A simple random sample of size n = 49 is obtained from a population with µ = 80 and σ = 14.

(a) Describe the sampling distribution of x̄.

(b) What is P(x̄ > 83)?

(c) What is P(x̄ ≤ 75.8)?

(d) What is P(78.3 < x̄ < 85.1)?

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