The number of cars arriving at a gas station can be modelled by Poisson distribution with the

average rate of 5 cars per 10 minutes.

a. The probability that one car will arrive to a gas station in a 10 -minute interval is _________

b. The probability that three cars will arrive to a gas station in a 5 -minute interval is ________

c. The probability that at least one car will arrive to the gas station in a 2 - minute interval is

________