The number of passengers arriving at a checkout counter of an international airport follows a Poisson...

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

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orchestra answered 1 year ago

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