Andrew plans to retire in 50 years. He plans to invest part of his retirement funds in stocks, so he seeks out information on past returns. He learns that over the years, the annual returns on U. S. common stocks had mean 13.9% and standard deviation 17.0%. The distribution of annual returns on common stocks is roughly symmetric, so the mean return over even a moderate number of years is close to Normal. (Round your answers to four decimal places.)

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.