The following payoff table shows profit for a decision analysis, problem with two decisions, alternatives, and three states of nature It's a decision-maker knows nothing about the probabilities of the three states of nature. What is the recommended decision using the optimistic conservative and men max regret approaches? Choose the correct decision tree for this problem 1, 2, 3 or four Optimistic approach D1 or D2? Conservative approach D1 or D2? Minimax regret approach D1 or D2? Choose the correct decision tree for this problem 123 or four