a. In a random sample of 200 observations, we found the proportion of successes to be 48%.

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a. In a random sample of 200 observations, we found the proportion of successes to be 48%. Estimate with 95% confidence the population proportion of successes.

b. Repeat part (a) with n = 500.

c. Repeat part (a) with n = 1000.

d. Describe the effect on the confidence interval estimate of increasing the sample size.

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Statistics For Management And Economics Abbreviated

ISBN: 9781285869643

10th Edition

Authors: Gerald Keller

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Question Posted: Feb 03, 2015 09:19 AM

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a. In a random sample of 200 observations, we found the proportion of successes to be 48%.

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a 48 196 48 0692 b ...View the full answer

Statistics For Management And Economics Abbreviated

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