A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2769 occupants not wearing seat belts, 36 were killed. Among 7862 occupants wearing seat belts, 14 were killed. Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below.

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9.1/4 

Identify the test statistic

p-value 

 

A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2769 occupants not wearing seat belts, 36
were killed. Among 7862 occupants wearing seat belts, 14 were killed. Use a 0.05 significance level to test the claim that seat belts are
effective in reducing fatalities. Complete parts (a) through (c) below.
Transcribed Image Text:A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2769 occupants not wearing seat belts, 36 were killed. Among 7862 occupants wearing seat belts, 14 were killed. Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below.
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