Multiple Choice
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. What is the probability a randomly selected U.S.worker has a commute time of less than 20 minutes?
A) 30.15%
B) 34.09%
C) 65.91%
D) 69.85%
Correct Answer:

Verified
Correct Answer:
Verified
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