A study of seat belt users and nonusers yielded the randomlyselected sample data summarized in the given table. Â
  Number of cigarettes smoked per day
0 1-14 15 and over
Wear seat belts 168 30 50
Don't wear seat belts 150 25 77
At the 0.05 significance level, test the claim that the amountof smoking and seat belt use are related. The alternativehypothesis (H_1) is
Select one:
a. p_{0} = p_{1-14} = p_{15 and over} =1/3
b. The amount of smoking is dependent on seat belt use
c. None of the other answers in necessary true.
d. p_{wear seat belts} = p_{don't wear seat belts}
e. The amount of smoking is independent of seat belt use
