Problem 2 . A hospital outpatient clinic performs four types of operations. The profit per operation, as well as the minutes of X-ray time and laboratory time used, are given in the table below. The clinic has 500 private rooms and 500 intensive care rooms. Type 1 and type 2 operations require a patient to stay in an intensive care room for one day, whereas type 3 and type 4 operations require a patient to stay in a private room for one day. Each day, the hospital is required to perform at least 100 operations of each type. The hospital has set the following goals (listed in order of priority): - Goal 1: Earn a daily profit of at least$100,000. - Goal 2: Use at most 50 hours daily of X-ray time. - Goal 3: Use at most 40 hours daily of laboratory time.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
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Problem 2 . A hospital outpatient clinic performs four types of operations. The profit per
operation, as well as the minutes of X-ray time and laboratory time used, are given in the
table below. The clinic has 500 private rooms and 500 intensive care rooms. Type 1 and
type 2 operations require a patient to stay in an intensive care room for one day, whereas
type 3 and type 4 operations require a patient to stay in a private room for one day. Each
day, the hospital is required to perform at least 100 operations of each type. The hospital
has set the following goals (listed in order of priority):
- Goal 1: Earn a daily profit of at least$100,000.
- Goal 2: Use at most 50 hours daily of X-ray time.
- Goal 3: Use at most 40 hours daily of laboratory time.
Use goal programming to determine the types of operations that should be
performed.
Profit
$200
$150
$100
$80
X-Ray time (minutes)
6
5
4
3
Lab time (minutes)
5
4
3
2
Оp 1
Оp 2
Оp 3
Оp 4
Performed
>=
Needed
Rooms used
Available
Private
<=
Intensive care
<=
Goals
Achieved
Under
Over
Net
Goal
Profit
X-Ray (hours)
Lab (hours)
Already
achieved
Deviations
Actual
Transcribed Image Text:Problem 2 . A hospital outpatient clinic performs four types of operations. The profit per operation, as well as the minutes of X-ray time and laboratory time used, are given in the table below. The clinic has 500 private rooms and 500 intensive care rooms. Type 1 and type 2 operations require a patient to stay in an intensive care room for one day, whereas type 3 and type 4 operations require a patient to stay in a private room for one day. Each day, the hospital is required to perform at least 100 operations of each type. The hospital has set the following goals (listed in order of priority): - Goal 1: Earn a daily profit of at least$100,000. - Goal 2: Use at most 50 hours daily of X-ray time. - Goal 3: Use at most 40 hours daily of laboratory time. Use goal programming to determine the types of operations that should be performed. Profit $200 $150 $100 $80 X-Ray time (minutes) 6 5 4 3 Lab time (minutes) 5 4 3 2 Оp 1 Оp 2 Оp 3 Оp 4 Performed >= Needed Rooms used Available Private <= Intensive care <= Goals Achieved Under Over Net Goal Profit X-Ray (hours) Lab (hours) Already achieved Deviations Actual
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