Question

During peak period, customers arrive at random at a fish and chip shop at the rate of 20 customers
every 15 minutes.

a) Find the probability that during peak period, exactly 15 customers will arrive in the next
15 minutes.

b) If the probability that more than 10 customers will arrive during 10 minutes of peak period
is greater than 80%, the manager will employ an extra shop assistant. Will the manager
hire an extra shop assistant?​

Answer 1

Answer:

3/4

It is the correct answer of this question