dewey, lie, and howe is a regional branch office of the tax preparation conglomerate hookem, bille, cheatem, and soakem. one week before the deadline for filing federal income tax returns, the systolic blood pressure of a random sample of 45 employeers at dewey, lie, and howe is measured. based on the obswervations in this sample, a 95% confidence interval for the mean systolic blood pressure of all employees is calcualted to be

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

X+y=-4 x-y=2 use elimination with adding and subtraction

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.