Exhibit 6-5

question 29

Multiple Choice

Exhibit 6-5.The mean travel time to work is 25.2 minutes (U.S.Census 2010) .Further,suppose that commute time follows a log-normal distribution with a standard deviation of 10 minutes. Refer to Exhibit 6-5.What is the probability a randomly selected U.S.worker has a commute time of more than half an hour?

• A)25.78%
• B)31.56%
• C)68.44%
• D)74.22%

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Definitions:

Prone Position

Lying flat with the front or face downwards, often used in medical settings for specific treatments or examinations.

Gluteus Muscle

A group of three muscles located in the buttocks that are responsible for movement of the hip and thigh.

Sitting

The act of resting with the body supported by the buttocks or thighs with the torso upright.

Lateral Position

A body position where the individual lies on their side, often used in medical examinations or treatments.