Exhibit 4-1
a Hospital Emergency Room Requires Different Numbers of Nurses

question 31

Essay

Exhibit 4-1
A hospital emergency room requires different numbers of nurses on different days of the week. The number of full-time employees required to be working (i.e. not on call) each day is given in the table below.
$\begin{array}{|l|l|l|l|l|l|l|}\hline \text { Mon } & \text { Tue } & \text { Wed } & \text { Thu } & \text { Fri } & \text { Sat } & \text { Sun } \\\hline 18 & 15 & 12 & 13 & 20 & 28 & 22\\\hline \end{array}$ Hospital rules require that nurses work four consecutive days, are on call for one day, and then receive two days off. The hospital wants to meet its daily requirements, while minimizing the number of nurses that must be on staff.
-Refer to Exhibit 4-1.Suppose the hospital is experiencing a budget crunch and needs to use the nurses' on call day to temporarily staff the emergency room.Use Solver to formulate and solve the hospital's problem.

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