Consider the following two (events or) states of nature (E, F) and the following available (decisions or) actions (Buy at A, Buy at B, Buy both A and B, Buy none, Buy at C, Buy at D), and consider their payoff matrix. E and F can be regarded as mutually exclusive and exhaustive events - i.e., exactly one of them will occur. E  FBuy at A  15 -6Buy at B  -8 18Buy both A and B  7 12Buy none 0 0Buy C  -10 -7Buy D  -11 -8Answer the following questions, and show all working at all stages in every question.Give answers to at least 3 significant figures and at least 2 decimal places.[Fill in the blank] Using the maximin strategy, what is the appropriate action and resultant payoff?[Fill in the blank] Using the minimax regret strategy, what is the appropriate action and resultant regret?[Fill in the blank] Consider the probability of event E being 0.75 = 75%.What is the expected monetary value (EMV) and the associated action?[Fill in the blank] What is the expected opportunity loss (EOL) and the associated action?[Fill in the blank] What is the expected value of perfect information (EVPI)?[Fill in the blank]多项填空题