In: Statistics and Probability
The number of passengers arriving at a checkout counter of an international airport follows a Poisson distribution. On average, 4 customers arrive every 5-minutes period. The probability that over any 10-minute interval, at most 5 passengers will arrive at the checkout counter is
A:- 0.1221
B:- 0.1250
C:- 0.2215
D:- 0.8088
The number of customers who enter a bank is thought to be Poisson distributed with a mean equal to 10 per hour. What are the chances that 2 or 3 customers will arrive in a 15-minute period?
A:- 0.0099
B:- 0.4703
C:- 0.0427
D:- 0.0053