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ResponseNeverRarelySometimesMost of the timeAlwaysFrequency1182493457163093

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?

Response
Never
Rarely
Sometimes
Most of the time
Always
Frequency
118
249
345
716
3093
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Response Never Rarely Sometimes Most of the time Always Frequency 118 249 345 716 3093

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check_circleAnswer
Step 1

Given data and calculation of probabil...

Probability
Frequency
Response
Frequency
Total
118
Never
118
0.026
4521
249
Rarely
249
0.055
4521
345
Sometimes
345
0.076
4521
716
Most of the time
716
0.158
11
4521
3093
Always
3093
0.684
4521
0.999 1
Total
4521
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Image Transcriptionclose

Probability Frequency Response Frequency Total 118 Never 118 0.026 4521 249 Rarely 249 0.055 4521 345 Sometimes 345 0.076 4521 716 Most of the time 716 0.158 11 4521 3093 Always 3093 0.684 4521 0.999 1 Total 4521

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