.... (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 find a college student who never wears a seat belt when riding in a car driven by someone else?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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 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
FrequencyD
Never
109
Rarely
343
Sometimes
559
Most of the time
1113
Always
2679
.....
(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 find a college student who never wears a seat belt when riding in a car driven by someone else?
A. No, because the probability of an unusual event is 0.
B. Yes, because 0.01 <P(never) < 0.10.
C. Yes, because P(never) < 0.05.
O D. No, because there were 109 people in the survey who said they never wear their seat belt.
Transcribed Image Text: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 FrequencyD Never 109 Rarely 343 Sometimes 559 Most of the time 1113 Always 2679 ..... (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 find a college student who never wears a seat belt when riding in a car driven by someone else? A. No, because the probability of an unusual event is 0. B. Yes, because 0.01 <P(never) < 0.10. C. Yes, because P(never) < 0.05. O D. No, because there were 109 people in the survey who said they never wear their seat belt.
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