answer please

E(X) = u = Sum x . p(x) = Ex -p(x) You are considering purchasing some land in Whalley for $2,300,000 with the intention of selling the land in 4 years. The value of the land will depend on what happens to the Pattullo Bridge that currently has four narrow lanes. The bridge could be left the same, remain as a four-lane highway with improved passing lanes or be replaced and rebuilt as an eight-lane highway. The probabilities and selling prices are given in the table below: Bridge Probability Selling price in 4 years No change 65% $2,000,000 Improved 4-lane 20% $3,250,000 New 8-lane 15% $4,000,000 (a) Calculate your expected PROFIT from the sale of the land. Answer=$ Should you buy the land? ONo OYes (b) What is the probability that you will make a profit on the sale of the land? (enter a number between 0 and 1, 2 decimal places) Answer=