Solve the Problem. -A Study of the Amount of Time It Takes a It

question 12

Multiple Choice

Solve the problem.
-A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier 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 exceeds 8.7 hours.

• A)0.1285
• B)0.1469
• C)0.1946
• D)0.1346

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Definitions:

Examination Room

A room in a healthcare facility where medical examinations, procedures, or consultations take place.

Temperature Setting

The act of adjusting or regulating the degree of heat or cold of a space or device to a desired level.

Transcutaneous Absorption

Entry (as of a pathogen) through a cut or crack in the skin.

Subcutaneous Injection

A method of administering medication under the skin into the fatty tissue layer between the skin and the muscle.