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please show how you got the answer. thank you Construct a 99% confidence interval for . - . with the sample statistics for mean calorie

please show how you got the answer. thank you

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Construct a 99% confidence interval for . - . with the sample statistics for mean calorie content of Bakery A Bakery B two bakeries' specialty pies and confidence interval construction formula below. Assume the X, = 1854 cal X, = 1606 cal populations are approximately normal with equal variances. S, = 169 cal S, = 209 cal n, = 10 no = 12 (*1 - X2 ) - 10 1

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