Mathematics, 12.07.2021 05:50 homework1911

A simple random sample of front-seat occupants involved in car crashes is obtained. Among occupants not wearing seat belts, were killed. Among occupants wearing seat belts, were killed. Use a significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below.

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A simple random sample of front-seat occupants involved in car crashes is obtained. Among occupants...