If the decision maker chooses Decision A and Event $1$ occurs, which decision alternative should

the decision maker choose at node D$?$

b$)$ If the decision maker chooses Decision A and Event $2$ occurs, which decision alternative should

the decision maker choose at node E$?$

c$)$ What is the expected value at node B$?$

d$)$ If the decision maker chooses Decision B$,$ which decision alternative should the decision maker

choose at node C$?$

e$)$ At node A$,$ which decision has the higher expected value?