Question $7$

Expected Value ant.

$5$ pts

Service Rate $=4$ minutes to help $1$ customer

Arrival Rate $=12$ customers arrive per hour

In a single server model: Calculate the average number of customers in the system. $($Choose the closest answer$)$

$2\mathrm{.}0$ customers

$4\mathrm{.}0$ customers

$1\mathrm{.}55$ customers

$1\mathrm{.}33$ customers

$3\mathrm{.}2$ customers

$1\mathrm{.}0$ customers