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the operabing roorn efficiency by sllowing more surgeries to be performed per day- TAT inyoives - steniaing the operatingroom - setuing up equipment and supplies for the neit pmbent. - greaaning the nevt patient for surgery, The ayerage timei associated wah Tat activities were determined as followi Each activity is perfarmed in the operating room sequentilly sa that the totat Tat averages 40 minutes. A process impravement team determined that the TAT cound be impreved by moving sorse of the activity outside of the operating room, this alowing these activities to be done simutaneously, Sterlilation must be done in the operatiog room, so this activity was not changed. However, equpment and wpplies were prepyred an a rooen outside of the operating foom while sterization wat proceeding. The equpmeot and supplies were placed on a roling cart, and then roled into the operating foom and saged for the neat surgery. In addibion, the improvement team determined the pobent could be prepared butside of the opecating room by using a smail rogm for potient preparntion, when the operating rocm was ready, the patient could be rolled in on a roling bed and stageo for the procecuet. As a rewat of these changes, the total equipment and supply setup thly consumed 2 minutes in the operating rosm, while the total patient preparation only consumed 3 minutes in the operating room. 3. Determine the revised Tat of the new process. ininutes b. What is the ratio of TAT improveinent between the old and new grocesses? c. If the average surgical time took 40 minctes, how many additonal wargeries could be performed in an eloht-hour day as a result of the niew process? surgeries