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 more than half an hour?
A) 25.78%
B) 31.56%
C) 68.44%
D) 74.22%
Correct Answer:
Verified
Correct Answer:
Verified
Q9: What can be said about the expected
Q12: The salary of teachers in a particular
Q72: A producer has a history of making
Q92: The exponential distribution is related to the
Q101: The lognormal distribution is clearly negatively skewed
Q110: Which of the following is correct?<br>A) A
Q123: You are planning a May camping trip
Q128: The probability density function for a continuous
Q130: Which of the following does not represent
Q131: Find the mean of the lognormal variable