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

question 44

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 9.1 hours.

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

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Definitions:

Republican Party

One of the two major contemporary political parties in the United States, traditionally espousing conservative and pro-business policies.

Democratic Participation

Involves the active involvement of individuals in political processes and decision-making, which can include voting, campaigning, and engaging in public discourse.

Economic Inequality

The unequal distribution of wealth, income, or resources among individuals, communities, or countries, leading to disparities in living standards and opportunities.