Question

In a national survey college students were asked, "How often do you wear a seat belt when riding in a car driven by someone else?" The response frequencies appear in the table to the right. (a) Construct a probability model for seat-belt use by a passenger. (b) Would you consider it unusual to find a college student who never wears a seat belt when riding in a car driven by someone else? Response Frequency Never Sometimes Most of the time Aways 142 306 599 1363 2427 Response Never Rarely Sometimes Most of the time Always Probabilit (Round to the nearest thousandth as needed.) (Round to the nearest thousandth as needed.) (Round to the nearest thousandth as needed.) (Round to the nearest thousandth as needed.) (Round to the nearest thousandth as needed.) (b) Would you consider it unusual to find a college student who never wears a seat belt when riding in a car driven by someone else? OA. No, because the probability of an unusual event is 0 O B. No, because there were 142 people in the survey who said they never wear their seat belt. ° C. Yes, because P(never)< 0.05. O D. Yes, because 0.01 P(never)<0.10.

Answer 1

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