Question

Customers arrive to a barber shop according to a poisson distribution with a rate of two customers/hour. the average time it takes to get a haircut is about 20 minutes (exponentially distributed). the barbershop has only 1 barber.

Answer 1

The subject of this question is Mathematics and it is at a High School level. The question is about the arrival and waiting times of customers at a barber shop.

Step-by-step explanation:

The subject of this question is Mathematics and it is at a High School level. The question is asking about the arrival and waiting times of customers at a barber shop. It provides information about the arrival rate and the average time it takes for a haircut. The question also asks for the probability of certain events occurring.