Use the following information for answers the question no. 1,2 & 3
Automobiles arrive at a toll plaza located at the entrance to a bridge at a rate of 51 per minute during the 5:00 to 6:00 p.m. hour (assume Exponential distribution).
1) If an auto has just arrived, what is the probability that the next auto will arrive within 3 seconds?
2) If an auto has just arrived, what is the probability that the next auto will arrive in the next 3 to 10 seconds?