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Mathematics, 16.07.2021 02:50 njorda7211

2. A study of the ages of motorcyclists killed in crashes analyzed a random selection of 150 drivers. The mean age for drivers killed in the sample was 37.1 years (data from the
Insurance Institute for Highway Safety). Assuming that o = 12.0 years, construct a 95%
confidence interval for the mean age of all motorcyclists killed in crashes.

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2. A study of the ages of motorcyclists killed in crashes analyzed a random selection of 150 driver...

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