Question: A study was conducted to estimate u, the mean commute distance that all employed U.S. adults travel to work. Suppose a random sample of 49

A study was conducted to estimate u, the mean commute distance that all employed U.S. adults travel to work. Suppose a random sample of 49 employed U.S. adults gives a mean commute distance of 22 miles and that from prior studies, the population standard deviation is assumed to be 0 = 8.4 miles. We are 95% confident that the mean commute distance to work of all employed U.S. adults falls between which of the following intervals? 18.4 to 25.6 O 19.6 to 24.4 20.8 to 23.2 O 5.2 to 38.8

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