During Off Hours,cars Arrive at a Tollbooth on the East-West

Multiple Choice

During off hours,cars arrive at a tollbooth on the East-West toll road at an average rate of 0.5 cars per minute.The arrivals are distributed according to the Poisson distribution.What is the probability that during the next five minutes,three cars will arrive?

A) .2138
B) .1804
C) .0126
D) .0613