Let denote the change in price per share for company where end of 1st quarter of 2012 price per share minus the beginning of 2012 price per share. use the sample mean of these values to estimate the dollar amount a share of stock has changed during the 1st quarter. 3.49 (to 2 decimals) b. what is the confidence interval estimate of the population mean change in the price per share of stock during the first quarter

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.