Answered

A grocery store estimates that customers arrive at the rate of 15 per hour. The cashier can serve customers at a rate 20 per hour. Calculate the average number of customers in a system.

Answer :

Answer:

Average number of customers in a system = 2.25 Customers

Explanation:

Given:

Customers arrive rate (a) = 15 per hour

Customers service rate (b) = 20 per hour

Average number of customers in a system = ?

Computation of average number of customers in a system:

[tex]Average number of customers in a system = \frac{a^2}{b(b-a)} \\\\Average number of customers in a system = \frac{15^2}{20(20-15)} \\\\Average number of customers in a system = \frac{225}{20(5)} \\\\Average number of customers in a system = \frac{225}{100} \\\\Average number of customers in a system = 2.25 \\\\[/tex]

Average number of customers in a system = 2.25 Customers

Other Questions