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A study was done to determine the average number of homes that a homeowner owns in his or her lifetime. For the50 homeowners surveyed, the

A study was done to determine the average number of homes that a homeowner owns in his or her lifetime. For the50 homeowners surveyed, the sample average was5.1 and the sample standard deviation was 3.8. The distribution to use to calculate the 95% confidence interval is

Normal

Binomial

Student-t with df = 50

Student-t with df = 49

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