The Speed of Cars Passing Through a Check Point Follows

question 39

Multiple Choice

The speed of cars passing through a check point follows a normal distribution with a mean of 45 miles per hour and a standard deviation of 6 miles per hour.What is the probability that the next car passing will be exceeding 51 miles per hour?

• A)0.9854
• B)0.8413
• C)0.7967
• D)0.1587

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Definitions:

Firm

An organization that produces goods or services for sale, operating with the aim of making a profit.

Variable Costs

Costs that change in proportion to the level of production or sales volume.

Profit-maximizing Output

The point of production where a company reaches its maximum profit potential.

Total Revenue

The overall amount of money generated by a firm from selling its goods or services.