Author Question: In linear programming models of real problems, the occurrence of an unbounded solution means that ... (Read 87 times)

go.lag · **on:** Jun 24, 2018

In linear programming models of real problems, the occurrence of an unbounded solution means that the
a. resultant values of the decision variables have no bounds.
b. mathematical models sufficiently represent the real-world problems.
c. problem formulation is improper.
d. constraints have been excessively used in modeling.

Question 2

The CEO of a company wants to estimate the percent of employees that use company computers to go on Facebook during work hours with 95 confidence. He selects a random sample of 150 of the employees and finds that 53 of them logged onto Facebook that day. What is the point estimate of the proportion of the population that logged onto Facebook that day?
a. 0.25
b. 0.35
c. 0.53
d. 0.65

zhanghao · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

c
RATIONALE: In linear programming models of real problems, the occurrence of an unbounded solution means that the problem has been improperly formulated.

Answer to Question 2

b
RATIONALE: The point estimate of the proportion of the population that logged onto Facebook that day is 53/150 = 0.35.