Which of the Following Statements Are True

Multiple Choice

Which of the following statements are true?

A) Sensitivity analysis is a process of seeing how optimal decision and EMV vary when one or more inputs vary.
B) Multistage decision problem is one where decisions and observations of uncertain outcomes alternate.
C) Contingency plan is a strategy in a multistage decision problem that specifies which decision to make for each possible outcome.
D) All of these choices are true.
E) None of these choices is true.