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question 1 QUESTION 1 . 1 POINT The delivery times for a distributing site are normally distributed with an unknown population mean and standard deviation.

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QUESTION 1 . 1 POINT The delivery times for a distributing site are normally distributed with an unknown population mean and standard deviation. If a random sample of 25 deliveries is taken to estimate the mean delivery time, what t-score should be used to find a 98% confidence interval estimate for the population mean? to.10 to.05 to.025 to.01 to.005 . . 21 1.323 1.721 2.080 2.518 2.831 1.321 1.717 2.074 2.508 2.819 23 1.319 1.714 2.069 2.500 2.807 24 1.318 1.711 2.064 2.492 2.797 25 1.316 1.708 2.060 2.485 2.787 Use the portion of the table above or a calculator. If vou use a calculator. round vour answer to three decimal places

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