Question: 20 A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is

20 A confidence interval with a 95% confidence level for the

20 A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is (0.64, 0.69). How many persons were surveyed in this poll? 1425 b 1370 1264

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