A Study of the Amount of Time It Takes a Mechanic

question 46

Multiple Choice

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 Chevrolet Colorado shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time is less
Than 8.9 hours.

• A) 0.9589
• B) 0.4276
• C) 0.9608
• D) 0.9756

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Definitions:

Fair Credit Reporting Act

A federal law in the United States designed to protect the accuracy, fairness, and privacy of consumer information contained in the files of consumer reporting agencies.

Consumer Credit Report

A document detailing an individual's credit history, used by lenders to assess creditworthiness for loans and credit.

Binding Credit Obligation

A legally enforceable promise or agreement that requires an individual or business to repay borrowed money or fulfill financial commitments.

Rescinds

To rescind is to revoke, cancel, or repeal a law, order, or agreement.