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In cell B12, find the width of the confidence interval at the 90% confidence level. In cell B13, find the score from the appropriate probability

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In cell B12, find the width of the confidence interval at the 90% confidence level. In cell B13, find the score from the appropriate probability table to construct a 99% confidence interval. In cell B14, find the margin of error at the 99% confidence level. In cell B15, find the upper limit for the mean at the 99% confidence level. In cell B16, find the lower limit for the mean at the 99% confidence level. In cell B17, find the width of the confidence interval at the 99% confidence level

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