Introducing Variability $-$ Train Call Center

$2$ pornts possidel igroded

At a call center for tran bookings the following information was collected:

Average processing time of a call, $p=360$ seconds

Utiszation of the call center, $u=0\mathrm{.}6=60\%$

Variability Factor, $v=1\mathrm{.}105$

$13.$ What is the average waiting time Tq in the queue?

$596\mathrm{.}7$ seconds

$150\mathrm{.}90$ seconds

$290\mathrm{.}22$ seconds

$10238$ seconds

$14.$ What is the average time in the system, Tq $+p?$

$($Riemember to convert from seconds to minutesil$)$

$18\mathrm{.}30$min

$15\mathrm{.}90$min

$20\mathrm{.}900$min

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