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If n=500 and x=400,to construct a 99% confidence interval. a. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three

If n=500 and x=400,to construct a 99% confidence interval.

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a. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. Confidence interval = b. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.

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