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Based on a random sample of 50 a 95 confidence interval for the population proportion...

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Based on a random sample of 50 a 95 confidence interval for the population proportion was computed Holding everything else constant which of the following will reduce the length of the confidence interval by half CHECK ALL THAT APPLY OA Decrease the sample proportion by half B Change the confidence level to 68 C Change the confidence level to 99 7 D Double the sample size E Quadruple the sample size

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