Determine the margin of error for a 90% confidence interval to estimate the population mean with o = 48 for the following sample sizes.
a) n = 34
b) n = 41
c) n = 62
click the icon to view the cumulative probabilities for the standard normal distribution
.
a) when n = 34, the margin of error for a 90% confidence interval is
(round to two decimal places as needed.)

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.