In spite of the potential safety hazards, some people would like to have an internet connection in their car. A preliminary survey of adult Americans has estimated this proportion to be somewhere around 0.30. (a) Determine the sample size required to estimate the proportion of adult Americans who would like an internet connection in their car to within 0.02 with 95% confidence. (b) Change part (a) with 99% confidence.

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.