A simple random sample of size n = 49 is obtained from a population with =

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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)?

Distribution
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Fundamentals Of Statistics

ISBN: 9780321844606

4th Edition

Authors: Michael Sullivan III

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