On average the number of people who go through the checkout

On average, the number of people who go through the check-out at a local grocery store is 8 people per hour. In a randomly selected hour, find the probability that no more than 2 people go through the check-out.

Solution

On average, the number of people who go through the check-out at a local grocery store is 8 people per hour. In a randomly selected hour, find the probability that no more than 2 people go through the check-out.

Poisson distribution used.

=8

probability that no more than 2 people go through the check-out.

P( x 2) = 0.0138