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Are the smoking habits of teenagers related to their parents' smoking? Below are the results of a survey of teenagers in 8 Arizona high schools.

Are the smoking habits of teenagers related to their parents' smoking? Below are the results of a survey of teenagers in 8 Arizona high schools. Expected values are in parentheses. Perform a hypothesis test to determine if the smoking habits of teenagers are independent of smoking habits of their parents. Test at the 0.05 level of significance.

TEENAGERS

Smokes Doesn't smoke Total

Parents (Both smoke) 400 (332.49) 1380(1447.51) 1780

(Only 1 smokes) 416(418.22) 1823(1820.78) 2239

(Neither smokes) 188(253.29) 1168(1102.71) 1356

Total 1004 4371 5375

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