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A simple random sample of​ front-seat occupants involved in car crashes is obtained. Among 2864 occupants...

A simple random sample of​ front-seat occupants involved in car crashes is obtained. Among 2864 occupants not wearing seat​ belts, 27 were killed. Among 7666 occupants wearing seat​ belts, 13were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities.

Identify the res statistic

Identify the P-Value

Test the claim by constructing an appropriate confidence interval ___<(p1-p2)<__

math   Statistics-And-Probability   
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Answer #1

Paga No. ven Dato: I Weg my sesd Relt n 66 Dtot Wes-ing Sead belt n286 2 7 X1 stab、sh( test ), s 2 f-1 f で Csmclude that seatDate difference between duo po pudaties n4 17) 2867 ane belts ae eigechie in reducins deta lihas

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