6. Texting and Drinking In a study of high school students at
least 16 years of age, researchers obtained survey results
summarized in the accompanying table (based on data from “Texting
While Driving and Other Risky Motor Vehicle Behaviors Among U. S.
High School Students,” by O’Malley, Shults, and Eaton, Pediatrics,
Vol. 131, No. 6). Use a 0.05 significance level to test the claim
of independence between texting while driving and driving when
drinking alcohol. Are those two risky behaviors...