At a Highway Checkpoint,the Average Speed of a Passing Car

question 263

Multiple Choice

At a highway checkpoint,the average speed of a passing car was measured at 50 miles per hour with a standard deviation of 5 miles per hour.According to Chebyshev's Theorem,what percentage of cars would you expect to be traveling between 42.5 and 57.5 miles per hour?

• A)at least 50%
• B)at least 55.6%
• C)at least 75%
• D)at least 88.9%

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Definitions:

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.

Operating Income

This metric reflects the profits earned from a company's core business operations, excluding non-operating income and expenses.