Mathematics, 25.06.2019 01:00 dominicanaaa
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): a. decrease the sample proportion by half. b. quadruple the sample size. c. double the sample size. d. change the confidence level to 68%. e. change the confidence level to 99.7%.
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Based on a random sample of 50, a 95% confidence interval for the population proportion was computed...
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