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In a national survey college students were asked, How often do you wear a seat belt when riding in a car driven by Response Frequencyla
In a national survey college students were asked, "How often do you wear a seat belt when riding in a car driven by Response Frequencyla someone else?" The response frequencies appear in the table to the right. (a) Construct a probability model for Never 124 seat-belt use by a passenger. (b) Would you consider it unusual to find a college student who never wears a seat belt Rarely 320 when riding in a car driven by someone else? Sometimes 573 Most of the time 1203 Always 2360 (a) Complete the table below. Response Probability Never (Round to the nearest thousandth as needed.) Rarely (Round to the nearest thousandth as needed.) Sometimes (Round to the nearest thousandth as needed.) Most of the time _ (Round to the nearest thousandth as needed.) Always (Round to the nearest thousandth as needed.) (b) Would you consider it unusual to nd a college student who never wears a seat belt when riding in a car driven by someone else? 0 A. No, because the probability of an unusual event is 0. O B. No, because there were 124 people in the survey who said they never wear their seat belt. 0 C. Yes, because 0.01
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