Question

In a national survey conducted by the Center for Disease Control to

determine college students’ health-risk behaviors, college students were asked, “ How often do you wear a seatbelt when driving a car?” The frequencies appear in the following table:

(b) Is it unusual for a college student to never wear a seatbelt when driving a car? Why?

(c) What is the probability that a randomly selected college students most of the time or always wear a seat belt?

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