7. A simple random sample of front-seat occupants involved in a car crashes is obtained. Among 2935 occupants not wearing seat belts, 33 were killed. Among 7813 occupants wearing seat belts, 19 were...

Extracted text: 7. A simple random sample of front-seat occupants involved in a car crashes is obtained. Among 2935 occupants not wearing seat belts, 33 were killed. Among 7813 occupants wearing seat belts, 19 were killed. Use a 0.001 significance level to test the claim that seat belts are effective in reducing fatalities. Identify the null hypothesis, alternate hypothesis, test statistic, P-value, conclusion about the null hypothesis, and conclusion that addresses the original claim.