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%
Correct Answer:
Verified
Correct Answer:
Verified
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