Essay
Seat Belts
A study was conducted to determine whether the use of seat belts in vehicles depends on whether or not a child was present in the car.A sample of 1,000 people treated for injuries sustained from vehicle accidents was obtained,and each person was classified according to (1)child present (yes/no)and (2)seat belt usage (worn or not worn)during the accident.The data are shown in the table below. 
-{Seat Belts Narrative} At 5% level of significance,what is the critical value of the test statistic?
Correct Answer:
Verified
Correct Answer:
Verified
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