Use the Following Information to Answer the Question

question 29

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 in the 40- 44 age group was taken and the mean finishing time was found to be 1.62 hours with a standard deviation of 0.40 hours.
-What is the standard error for the mean finish time of 30 randomly selected participants in the 40- 44 age group? Round to the nearest thousandth.

• A)0.250
• B)0.046
• C)0.055
• D)0.300

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Definitions:

Ackerman Arms

Components in a vehicle's steering system designed to improve cornering effectiveness by changing the angle of the wheels relative to the steering direction.

Tie-rod Assembly

A crucial component of the steering mechanism that transmits force from the steering center link to the steering knuckle, enabling wheel turning.

Steering System

The system in vehicles that allows the driver to guide and direct the vehicle in the desired direction.

Crosstube Tie-rod Ends

Components in a vehicle's steering system that connect the tie rods to the steering knuckles, crucial for precise steering control.