Use the following payoff matrix from different corn varieties under different weather conditions to ans questions 1-9. Net Return for Each Com Variety Probability Variety A Variety Variety B Weather Outcomes Good 0.2 $800 $750 $880 Average 0.6 $740 $675 $725 Poor 0.2 $620 $600 $600 Which variety would you chose if you were using the risk and returns comparison decision rule? Which variety would you chose if you were using the safety-first decision rule? For questions 7-9 assume that the weather outcomes are all equally likely. What is the simple average of Variety A? What is the standard deviation of Variety A? Recall s= sqrt(xixbar)2)/(N-1)) What is the coefficient of variation of Variety A