Answer to Question 1
a
RATIONALE: For a location problem, if the variables are defined as xi = 1 if an outlet store is established in region i and 0 otherwise, the objective function is best defined by Min(Sxi) for i = 1, 2, , n number of outlet stores included in the problem.
Answer to Question 2
The Central Limit Theorem
RATIONALE: In selecting random samples of size n from a population, the sampling distribution of the sample mean can be approximated by a normal distribution as the sample size becomes large.