The USA Today article referenced in Exercise 6.37 also
Chapter 0, Problem 6.38(choose chapter or problem)
The USA Today article referenced in Exercise 6.37 also gave information on seat belt usage by age, which is summarized in the following table of counts: 312 Chapter 6 Probability Bold exercises answered in back Data set available online but not required Video solution available Does Not Use Uses Seat Belt Seat Belt Age Regularly Regularly 1824 59 41 2534 73 27 3544 74 26 4554 70 30 5564 70 30 65 and older 82 18 Consider the following events: S event that a randomly selected individual uses a seat belt regularly, A1 event that a randomly selected individual is in age group 1824, and A6 event that a randomly selected individual is in age group 65 and older. a. Convert the counts to proportions and then use them to compute the following probabilities: i. P(A1) ii. iii. iv. P(not A1) v. vi. b. Using the probabilities and computed in Part (a), comment on how 1824-year-olds and seniors differ with respect to seat belt usage.
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