The Completion Times for a Certain Marathon Race Was 3 $0.5$

question 102

Multiple Choice

The completion times for a certain marathon race was 3 hours with a standard deviation of $0.5$ hours. What can you determine about these data by using Chebyshev's Inequality with $K = 2$ ?

• A) At most 88.9% of the completion times are between 2 hours and 4 hours.
• B) At least 75% of the completion times are between 2 hours and 4 hours.
• C) At least 88.9% of the completion times are between 2 hours and 4 hours.
• D) No more than 75% of the completion times are between 2 hours and 4 hours.

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Definitions:

Net Operating Income

A profitability metric that measures the amount of income generated from a company's operational activities before taxation and interest expenses.

Contribution Approach

An income statement formatting that separates fixed from variable costs, showing contribution margin.

Opportunity Cost

The loss of potential gain from other alternatives when one option is chosen.

Cost Formula

An equation or method used to determine the total cost of producing goods or services, combining fixed costs, variable costs, and sometimes semi-variable costs.