The amount by which an objective function coefficient can change ...

[pragya sharda]

The amount by which an objective function coefficient can change before a different set of values for the decision variables becomes optimal is the
 a. optimal solution.
  b. dual solution.
  c. range of optimality.
  d. range of feasibility.

Question 2

A one-tailed test is a hypothesis test in which rejection region is _____.
 a. in both tails of the sampling distribution
  b. in one tail of the sampling distribution
  c. only in the lower tail of the sampling distribution
  d. only in the upper tail of the sampling distribution

[lcapri7]

Answer to Question 1

C

Answer to Question 2

b