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Alcohol is claimed to be a factor in 39% of all fatal car accidents in the United States. The town police chief is reviewing a random sample of 55 local car accident records to compare to the national data. How many of the sample records need to show alcohol as a factor to suggest a significant difference exists between the national and local rate of alcohol related car accidents? Explain using standard deviations.

Alcohol is claimed to be a factor in 39% of all fatal car accidents in the United States. The town police chief is reviewing a random sample of 55 local car accident records to compare to the national data. How many of the sample records need to show alcohol as a factor to suggest a significant difference exists between the national and local rate of alcohol related car accidents? Explain using standard deviations.

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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Alcohol is claimed to be a factor in 39% of all fatal car accidents in the United States. The town police chief is reviewing a random sample of 55 local car accident records to compare to the national data. How many of the sample records need to show alcohol as a factor to suggest a significant difference exists between the national and local rate of alcohol related car accidents? Explain using standard deviations.
Transcribed Image Text:Alcohol is claimed to be a factor in 39% of all fatal car accidents in the United States. The town police chief is reviewing a random sample of 55 local car accident records to compare to the national data. How many of the sample records need to show alcohol as a factor to suggest a significant difference exists between the national and local rate of alcohol related car accidents? Explain using standard deviations.
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