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Suppose a simple random sample of size n=64 is obtained from a population with μ=76 and...

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Statistics

Suppose a simple random sample of size n=64 is obtained from apopulation with μ=76 and σ=8.

​(a) Describe the sampling distribution of x̅

​(b) What is P (x̅ > 77.7)?

​(c) What is P (x̅ ≤ 73.65)?

​(d) What is P (74.5 < x̅ < 78.15)?

Answer & Explanation Solved by verified expert
4.3 Ratings (721 Votes)
Solution a 76 n 8 64 1bP 777 1    See Answer
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