Modeling a fixed cost problem as an integer linear program ...

[bobbysung]

Modeling a fixed cost problem as an integer linear program requires
 a. adding the fixed costs to the corresponding variable costs in the objective function.
  b. using 0-1 variables.
  c. using multiple-choice constraints.
  d. using LP relaxation.

Question 2

A company claims that the standard deviation in its delivery time is less than 5 days. A sample of 27 past customers is taken. The average delivery time in the sample was 14 days with a standard deviation of 4.5 days. At a 5 level of significance, test the company's claim.

[LegendaryAnswers]

Answer to Question 1

B

Answer to Question 2

H0: 2  25
Ha:  < 25 2 = 21.06 > 15.37; do not reject H0, there is not sufficient evidence to confirm the company's claim