Question Help ▼ In a survey of 3031 adults, a poll asked people whether they smoked cigarettes and whether they always wear a seat belt in a car. The table shows the results of the survey. For each activity, define a success as finding an individual that participates in the hazardous activity. Complete parts (a) and (b). No Seat Belt Seat Belt B (success) (failure) Smoke (success) Do not smoke (failure) 56 431 349 2195 Calculate the test statistic. Zo (Round to two decimal places as needed.) Find the critical value. (Round to three decimal places as needed.) Which of the following is the correct conclusion for the hypothesis test? VHo. There V sufficient evidence at the a= 0.10 level of significance to conclude that there is a difference in the proportion who do not use a seat belt and the proportior is Click to select your answe is not
Question Help ▼ In a survey of 3031 adults, a poll asked people whether they smoked cigarettes and whether they always wear a seat belt in a car. The table shows the results of the survey. For each activity, define a success as finding an individual that participates in the hazardous activity. Complete parts (a) and (b). No Seat Belt Seat Belt B (success) (failure) Smoke (success) Do not smoke (failure) 56 431 349 2195 Calculate the test statistic. Zo (Round to two decimal places as needed.) Find the critical value. (Round to three decimal places as needed.) Which of the following is the correct conclusion for the hypothesis test? VHo. There V sufficient evidence at the a= 0.10 level of significance to conclude that there is a difference in the proportion who do not use a seat belt and the proportior is Click to select your answe is not
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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Transcribed Image Text:Question Help ▼
In a survey of 3031 adults, a poll asked people whether they smoked cigarettes and whether they always wear a seat belt
in a car. The table shows the results of the survey. For each activity, define a success as finding an individual that
participates in the hazardous activity. Complete parts (a) and (b).
He
No Seat Belt Seat Belt D
(success)
(failure)
Smoke
56
431
87
(success)
Do not smoke
349
2195
(failure)
Calculate the test statistic.
By
Zo =| (Round to two decimal places as needed.)
%3D
Find the critical value.
(Round to three decimal places as needed.)
Which of the following is the correct conclusion for the hypothesis test?
Ho. There
sufficient evidence at the a= 0 10 level of significance to conclude that there is a difference in the proportion who do not use a
seat belt and the proportior
is
Click to select your answe
is not
Transcribed Image Text:Question Help ▼
In a survey of 3031 adults, a poll asked people whether they smoked cigarettes and whether they always wear a seat belt
in a car. The table shows the results of the survey. For each activity, define a success as finding an individual that
participates in the hazardous activity. Complete parts (a) and (b).
?) H
No Seat Belt Seat Belt E
(success)
(failure)
Smoke
56
431
87
(success)
Do not smoke
349
2195
(failure)
Calculate the test statistic.
ay
Zo =| (Round to two decimal places as needed.)
%3D
Find the critical value,
(Round to three decimal places as needed.)
Which of the following is the correct conclusion for the hypothesis test?
Ho. There
sufficient evidence at the a - 0.10 level of significance to conclude that there is a difference in the proportion who do not use a
ortion who smoke.
Reject
?
swer(s).
Do not reject
0 of 1 attempt
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