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Find the confidence interval for estimating the population proportion for parts (a) through (c). a. 90% confidence level; n=500;p^=0.20 b. 99% confidence level; n=140;p^=0.05 c.

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Find the confidence interval for estimating the population proportion for parts (a) through (c). a. 90% confidence level; n=500;p^=0.20 b. 99% confidence level; n=140;p^=0.05 c. =0.09;n=455;p^=0.60 Click the icon to view the standard normal table of the cumulative distribution function. a. The confidence interval is

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