The Amount of Time Required for an Oil and Filter

question 126

Short Answer

The amount of time required for an oil and filter change on an automobile is normally distributed with a mean of 45 minutes and a standard deviation of 10 minutes.A random sample of 16 cars is selected.95% of all sample means will fall between what two values?

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Definitions:

Cost Of Capital

The necessary yield a business needs to achieve on investment endeavors to preserve its market capitalization and secure capital.

Discount Rate

The interest rate used to determine the present value of future cash flows or to evaluate the attractiveness of an investment.

Opportunity Cost

The cost of an alternative that must be forgone in order to pursue a certain action, essentially the benefits you could have received by taking another course of action.

EVA

Economic Value Added, a measure of a company's financial performance based on the residual wealth calculated by deducting its cost of capital from its operating profit.