On average 2.4 customers per minute arrive at an airline check-in desk during the peak period. Assume that the distribution of arrivals is Poisson. Then T the time between 2 arrivals will be exponential.
a) What is the probability that a customer will arrive within the next 0.5 minute?
b) What is the probability that the time between the arrivals of customers is 1 minute or more?
c) What is the probability that the next customer will arrive between 0.5 and 1 minute?