In a Study of Distances Traveled by Buses Before the First

question 67

Multiple Choice

In a study of distances traveled by buses before the first major engine failure,a sample of 191 buses results in a mean of 96,700 miles and a standard deviation of 37,500 miles.Calculate the p-value corresponding to the test statistic used to test the claim that the mean distance traveled before a major engine failure is more than 90,000 miles.

• A)0.0000
• B)0.0068
• C)-0.0068
• D)0.0136
• E)-0.0136

---

Definitions:

Operating Income

Income generated from a company's regular business operations, excluding one-time events and expenses.

Variable Cost

Costs that change in proportion to the level of activity or volume of goods produced.

Fixed Costs

Costs that do not change with the volume of production, such as rent, salaries, or insurance.

Contribution Margin

The difference between sales revenue and variable costs of a product or service, used to cover fixed costs and to generate profit.