a. The proportion of successes in a random sample of 400 was calculated as 50%. Estimate the
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a. The proportion of successes in a random sample of 400 was calculated as 50%. Estimate the population proportion with 95% confidence.
b. Repeat part (a) with p̂ = 33%.
c. Repeat part (a) with p̂ = 10%.
d. Discuss the effect on the width of the confidence interval estimate of reducing the sample proportion.
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Related Book For
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
Question Posted:
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