A) In the construction of a decision tree, which of the following shapes represent a decision node?

A.circle

B.square

C.diamond

D.branch

B) Which of the following specifies the cost/regret of not picking the best solution?

A.expected value

B.opportunity loss

C.minimum cost

D.average value

C) An analytic and systematic approach to the study of decision making is referred to as

A.decision making under uncertainty

B.decision making under risk

C.analytical approach

D.decision analysis