1) The customer who arrives at a bank, enters a line, and decides to leave is
A) balking.
B) cropping.
C) reneging.
D) blithering.
E) None of the above
2) Table M8-6
In Table M8-6, if cell A3 is filled on the next iteration, what is the improvement in the
objective function?
A) 60
B) 30
C) 530
D) 590
E) None of the above
3) The number of phone calls coming into a switchboard in the next five minutes will
either be 0, 1, or 2. The probabilities are the same for each of these (1/3). If X is the
number of calls arriving in a five-minute time period, what is the mean of X?
A) 1/3
B) 2/3
C) 1
D) 4/3
E) None of the above
4) The constraint , when converted to an = constraint for use in the
simplex algorithm, will be .
5) In solving maximization assignment problems,
A) just reverse all the decision rules used in the minimizing algorithm (if it says
subtract, now add, and so on).
B) convert the problem to an equivalent minimization problem.
C) use the Australian transformation process and convert the data.
D) All of the above
E) None of the above
6) Purinnerds Dog Food is a very popular product at Kay Gnein’s corner grocery.
Demand for this is relatively constant, and the total demand for the year is 1,200 bags.
The cost of placing an order is $50, while the holding cost is $3 per unit per year. The
store is open 300 days per year. Lead-time for this is 8 days.
(a) If Kay places 50 orders per year, what would her annual ordering and holding costs
be?
(b) If Kay wishes to minimize her total inventory cost, how many units should she order
each time an order is placed?
(c) What is the reorder point?
7) The fax machine in an office is very unreliable. If it was working yesterday, there is
an 90% chance it will work today. If it was not working yesterday, there is a 5% chance
it will work today.
(a) What is the probability that it is not working today, if it was not working yesterday?
(b) If it was working yesterday, what is the probability that it is working today?
8) An automated process to systematically add or delete independent variables from a
regression model is called
A) nonlinear regression.
B) linear regression.
C) residual analysis.
D) stepwise regression.
E) sensitivity analysis.
9) Given the following distances between destination nodes, what is the minimum
distance that connects all the nodes?
A) 290
B) 310
C) 620
D) 460
E) None of the above
10) Table 8-1
A small furniture manufacturer produces tables and chairs. Each product must go
through three stages of the manufacturing process: assembly, finishing, and inspection.
Each table requires 3 hours of assembly, 2 hours of finishing, and 1 hour of inspection.
Each chair requires 2 hours of assembly, 2 hours of finishing, and 1 hour of inspection.
The profit per table is $120 while the profit per chair is $80. Currently, each week there
are 200 hours of assembly time available, 180 hours of finishing time, and 40 hours of
inspection time. Linear programming is to be used to develop a production schedule.
Define the variables as follows:
T = number of tables produced each week
C = number of chairs produced each week
According to Table 8-1, which describes a production problem, what would the
objective function be?
A) Maximize T + C
B) Maximize 120T + 80C
C) Maximize 200T + 200 C
D) Minimize 6T + 5C
E) None of the above
11) Table 9-1
A company must assign mechanics to each of four jobs. The time involved varies
according to individual abilities. Table 9-1 shows how many minutes it takes each
mechanic to perform each job. If the optimal assignments are made, how many total
minutes would be required for completing the jobs?
A) 0
B) 4
C) 17
D) 16
E) None of the above
12) Table M1-1
Jason Rule has developed the following table to represent his research into the decision
as to which college he would like to attend after graduation:
Based on his weights and ratings of colleges, which college should he attend?
A) MSU
B) UM
C) UNH
D) PC
E) None of the above