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A study was conducted to estimate , 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 , 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 o = 8.4 miles. Based on this information, what would be the point estimate for ? O 8.4 O 1.2 O 49 O 22

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