a. After sampling 1,000 members of a normal population, you find x = 15,500 and s =
Question:
a. After sampling 1,000 members of a normal population, you find x̄ = 15,500 and s = 9,950. Estimate the population mean with 90% confidence.
b. Repeat part (a) assuming that you know that the population standard deviation is σ = 9,950.
c. Explain why the interval Estimates were virtually identical.
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a 15500 164599501000 15500 51759 LCL 1498241 UCL 160...View the full answer
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Related Book For 
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
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