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Julia enjoys jogging. She has been jogging over a period of several years, during which time...

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Basic Math

Julia enjoys jogging. She has been jogging over a period ofseveral years, during which time her physical condition hasremained constantly good. Usually she jogs 2 miles per day. Duringthe past year Julia recorded how long it took her to run 2 miles.She has a random sample of 95 of these times. For these 95 timesthe mean was 15.60 minutes and the standard deviation s=1.80minutes. Find the margin of error (round to 2 decimal places) andthe 90% confidence interval for Julia’s average running time.

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