If the expected average wait time is greater than what you have promised, what are some actions that you could introduce to correct this imbalance $($be specific$)?$

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Reduce the processing time for jobs from $4$ to less than $1\mathrm{.}9$ minutes.

Reduce either of the coefficients of variation by a significant enough amount.

Reduce the utilization from $60$ to $41\mathrm{.}7$ percent by increasing the staffing levels in the health center.

Reduce the processing time for jobs from $4$ to less than $3\mathrm{.}2$ minutes.

Reduce the utilization from $60$ to $41\mathrm{.}7$ percent by decreasing the staffing levels in the health center.