Question

A flower shop has one employee in the front of the store to sell flowers out of the cooler. On Saturday customers arrive every six minutes on average. The employee can serve a Customer every five minutes on average. The owner of the store feels that if there are more than four customers in the store at one time, additional customers may not come in, because the wait appears too long.

1. What is the chance of four or more customers being in the store at one time?
2. What is the total time (in minutes) a customer spends in the store?
3. What is the average number of customers in the store?
4. What percentage of the time is the employee working?

Answer 1

What is the likelihood that there will be four or more customers in the store at the same time? 0.019

What is the total time (in minutes) the customer spends in the store? 5.5

What is the average number of shoppers per store? 3.1

What percentage of the time does the employee work? 87%