Question

In a national survey conducted by the Centers 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:
Response ........ Frequency
Never ........ 118
Rarely ........ 249
Sometimes ..... 345
Most of the time .... 716
Always ........ 3093
(a) Construct a probability model for seatbelt use by a driver.
(b) Is it unusual for a college student to never wear a seatbelt when driving a car? Why?


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  • CreatedApril 27, 2015
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