On the average,1.6 customers per minute arrive at any one of the checkout counters of Sunshine food market.What type of probability distribution can be used to find out the probability that there will be no customers arriving at a checkout counter in 10 minutes?
A)Poisson distribution
B)Normal distribution
C)Binomial distribution
D)None of these choices.

Question

Quizplus · Accepted Answer

The Poisson distribution is used to model the number of events (in this case, the arrival of customers) in a fixed interval of time, when the events occur independently and at a constant average rate. Therefore, it is appropriate to use the Poisson distribution to find the probability that there will be no customers arriving at a checkout counter in 10 minutes, since we are interested in the number of events (i.e., customers) that occur in a fixed interval of time (10 minutes), and we know the average rate of arrival (1.6 customers per minute).

On the Average,1