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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 Never Frequency 137 Rarely Sometimes Most of the time Always 331 521 1020 2636 ... (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? O A. No, because the probability of an unusual event is 0. O B. No, because there were 137 people in the survey who said they never wear their seat belt. OC. Yes, because P(never) < 0.05. O D. Yes, because 0.01 < P(never) < 0.10.

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 Never Frequency 137 Rarely Sometimes Most of the time Always 331 521 1020 2636 ... (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? O A. No, because the probability of an unusual event is 0. O B. No, because there were 137 people in the survey who said they never wear their seat belt. OC. Yes, because P(never) < 0.05. O D. Yes, because 0.01 < P(never) < 0.10.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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? Frequency Response Never Rarely Sometimes Most of the time Always 137 331 521 1020 2636 ... (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? O A. No, because the probability of an unusual event is 0. O B. No, because there were 137 people in the survey who said they never wear their seat belt. O C. Yes, because P(never) < 0.05. O D. Yes, because 0.01< P(never) <0.10.
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? Frequency Response Never Rarely Sometimes Most of the time Always 137 331 521 1020 2636 ... (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? O A. No, because the probability of an unusual event is 0. O B. No, because there were 137 people in the survey who said they never wear their seat belt. O C. Yes, because P(never) < 0.05. O D. Yes, because 0.01< P(never) <0.10.
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