Use the Following Information to Answer the Question

question 13

Multiple Choice

Use the following information to answer the question. A sprint duathlon consists of a 5 km run, a 20 km bike ride, followed
by another 5 km run. The mean finish time of all participants in a recent large duathlon was 1.67 hours with a standard deviation of 0.25 hours. Suppose a random sample of 30 participants was taken and the mean finishing time was found to be 1.59 hours with a standard deviation of 0.30 hours.
-Suppose the process of taking random samples of size 30 is repeated 200 times and a histogram of the 200 sample means is created. Would the histogram be an approximate display of the population distribution, the distribution of a sample, or the sampling distribution of means?

• A) distribution of a sample
• B) sampling distribution of means
• C) population distribution

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Definitions:

Deluxe

Refers to a superior or luxurious version of a product or service.

Variable Cost

Costs that vary directly with the level of production or services provided, such as materials and labor.

Net Income

The total profit or loss of a company after all expenses, taxes, and costs have been subtracted from total revenue.

Fixed Cost

A cost that does not change with an increase or decrease in the number of goods or services produced or sold.