1A. Number of hospital rooms Shift time = 8 hours = 8*60 = 480 minutes Number of
ID: 373284 • Letter: 1
Question
1A. Number of hospital rooms
Shift time = 8 hours = 8*60 = 480 minutes
Number of patients = 50
Time required to service each patient = 20 minutes
Total time required = 1,000 minutes
To keep a 30% cushion we need 1,300 minutes
Rooms required = 1,300/ 480 = 2.71 . We can round it upto 3 rooms
Factors to decide cusion percentage
2A. Number of cash counters in fast food chain
Total time available = 60 minutes
Time to service each customer = 1.5 minutes
Number of customer = 150
Total time required to service 150 customers = 225 minutes
For 10% cushion we need 247.5
Cash counters required = 247.5/60 = 4.125. We can round it to 4 counters
2B. Factors to consider while deciding cushion for fast food chain
3. Classroom capacity in university
Seats demand = 10,000
Cushion required = 20%
Seats required = 12,000
Seats in one classroom = 50
Classrooms required = 12,000/50 = 240
Explanation / Answer
CHAPTER 10 PROBLEMS 1. A hospital emergency room averages 50 patients per shift. A shift is 8 hours long, and the average patient requires 20 minutes in the exam room. a. How many exam rooms should the hospital have if it wishes to maintain a 30 percent ca- pacity cushion? b. Discuss whether you think a 30 percent capac- ity cushion is appropriate for a hospital emer- gency room. What factors would you consider when setting this cushion? 2. A fast-food restaurant averages 150 customers per hour. The average processing time per customer is 90 seconds. a. Determine how many cash registers the res- taurant should have if it wishes to maintain a 10 percent capacity cushion. b. Discuss whether you think a 10 percent capac- ity cushion is appropriate for a fast-food restau- rant. What factors would you consider when setting this cushion? r 3. A university has demand for 10,000 classroom seats per day (one student in one class is a classroom seat). All classrooms have 50 seats, and the day is considered to be 10 hours long for scheduling pur- poses. Each class takes 1 hour. Determine the num- ber of classrooms required if the university seeks to maintain a 20 percent capacity cushion.
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