Find the expected value.
-Suppose that you arrive at a bus stop randomly, so all arrival times are equally likely. The bus arrives regularly every 10 minutes without delay. What is the expected value of your waiting time?
A)1 min
B)2 min
C)5 min
D)3 min

Question

Quizplus · Accepted Answer

Since the bus arrives every 10 minutes and arrival times are uniformly distributed, the expected waiting time is half the interval between buses, which is 5 minutes.

Find the Expected Value