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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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Image with question is attached. I am asking this question again since it hasn't been answered in 2 hours. I do not need to have a question put back in my account since it renews tomorrow and have multiple left.
![14. Safety officials hope a public information campaign will increase the use of seatbelts above the
current 70% level. After several months they check the effectiveness of this campaign with a
statewide survey of 600 randomly chosen drivers. 440 of those drivers report that they wear a
seatbelt.
a. Verify that a Normal model is a good approximation for the binomial model in this situation.
b. Find the mean and standard deviation of the Normal model.
c. Does the survey result convince you that the education/advertising campaign was effective?
Explain.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad83a51a-aeb2-4fcb-85e0-66e9c12040bc%2F024c7f82-3ea4-4680-b997-71c8121ca8d2%2Fp6t1mbb_processed.png&w=3840&q=75)
Transcribed Image Text:14. Safety officials hope a public information campaign will increase the use of seatbelts above the
current 70% level. After several months they check the effectiveness of this campaign with a
statewide survey of 600 randomly chosen drivers. 440 of those drivers report that they wear a
seatbelt.
a. Verify that a Normal model is a good approximation for the binomial model in this situation.
b. Find the mean and standard deviation of the Normal model.
c. Does the survey result convince you that the education/advertising campaign was effective?
Explain.
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