A Study of the Amount of Time It Takes a Mechanic

question 212

Multiple Choice

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanicsare randomly selected, find the probability that their mean rebuild time exceeds 9.1 hours.

• A) 0.1046
• B) 0.0069
• C) 0.0046
• D) 0.1285

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Definitions:

Central Hudson

Refers to a legal test used by courts to determine when government regulations of commercial speech violate the First Amendment.

Legislative Fiat

Law enacted by the legislature or authority, often without the need for a specific process of approval or consideration.

Lower Courts

Courts that have limited jurisdiction over certain types of cases or that are the first level of the court system, beneath appellate or supreme courts.

Constitutionality

The quality or state of being in accordance with the constitution or established laws of a country.