Question: Solve it correctly please. I will rate accordingly with multiple votes. This is my last attempt. please do it correctly. The G train (Brooklyn bound)
Solve it correctly please. I will rate accordingly with multiple votes. This is my last attempt. please do it correctly.

The G train (Brooklyn bound) has an average wait time of 8 minutes during rush hour. Assuming that the arrival times between consecutive trains have an exponential distribution and your arrival time at the station and the train arrival time are independent. 27. What is the probability that you will have to wait 2 minutes or less? 28. What is the probability that you will have to wait between 2 and 4 minutes? 29. What is your expected wait time? 30. What is the standard deviation of the wait time
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