SOLUTION: Waiting for a train or a bus that arrives every 30 minutes. What would be the probability of waiting 15 minutes or less
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Question 1071598: Waiting for a train or a bus that arrives every 30 minutes. What would be the probability of waiting 15 minutes or less
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at the limits of the possible wait.
If you pull up to the platform as soon as a bus pulls away, you'll wait 30 minutes.
If you pull up to the platform as soon as a bus arrives, you'll wait zero minutes.
Assuming a normal distribution, the mean would be 15 minutes.
So,
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