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Mathematics, 07.05.2021 19:50 lllmmmaaaooo

It is reported that 28% of college juniors and 58% off college seniors carry a card balance from month to month. Suppose that the reported percentages were based on random samples of 800 college juniors and 500 college seniors. Construct 88% confidence interval for the proportion of college juniors who carry a credit card balance from month to month and interpret the result.

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