Answered

According to the 1979 Indiana University study, the following percentage of vehicular crashes are NOT due to a mechanical problem or road conditions and can be ascribed to driver behavior:

Select one:
a. 99.9 percent
b. 67 percent
c. 50 percent
d. 93 percent



Answer :

GinnyAnswer

Final answer:

The AAA proportion accuracy can be determined through hypothesis testing using the given data.


Explanation:

No, the AAA proportion is not accurate based on the given data. With 54 percent of fatal accidents caused by driver error according to the AAA and 14 out of 30 examined accidents caused by driver error in the sample, a hypothesis test could be conducted using the data to determine the accuracy of the AAA proportion.


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