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PREP07 Test 2	The lifetimes of all the batteries produced by a certain company in a year have a distribution that is symmetric about the mean m. If the distribution has a standard deviation of d, what percent of the distribution is greater than m + d ? (1) 68 percent of the distribution lies in the interval from m - d to m + d, inclusive. (2) 16 percent of the distribution is less than m - d.
PREP07 Test 2	If $1,000 was invested at an annual interest rate of 5.6 percent compounded annually, which of the following represents the amount the investment was worth after 3 years?
PREP07 Test 2	A study on couples' retirement transitions found that, different from men who took new jobs after retiring from their primary careers, women who did so were more likely than those who retired completely to report high marital satisfaction.
PREP07 Test 2	A certain candy manufacturer reduced the weight of Candy Bar M by 20 percent but left the price unchanged. What was the resulting percent increase in the price per ounce of Candy Bar M ?
PREP07 Test 2	If \|x + 2\| = 4, what is the value of x ?(1) x^2 ≠ 4(2) x^2 = 36
PREP07 Test 2	Even though her career was cut short when she was in her prime and the fifteen recordings she made were disappointing artistically as well as technically, Olive Fremstad (1871-1951) has never been entirely forgotten by opera aficionados.
PREP07 Test 2	If v and w are different integers, does v=0?(1)$${v}{w}={v}^{2}$$(2)$$w=2$$
PREP07 Test 2	The total of Company C's assets in 1994 was 300 percent greater than the total in 1993, which in turn was 400 percent greater than the total in 1992. If the total of Company C's assets in 1992 was N dollars, which of the following represents the total of Company C's assets, in dollars, in 1994 ?
PREP07 Test 2	Officials in Atlanta's public schools, as do many districts across the United States, have eliminated recess in the elementary grades, calling it a waste of time that would be better spent on academics.
PREP07 Test 2	The contents of a certain box consist of 14 apples and 23 oranges. How many oranges must be removed from the box so that 70 percent of the pieces of fruit in the box will be apples?
PREP07 Test 2	Is $$\sqrt{(x-5)^2} = 5 - x$$(1) -x \|x\| > 0(2) 5 - x > 0
PREP07 Test 2	There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels: more than ten times as much energy is generated through wind power now than it was in 1990.
PREP07 Test 2	What is the median of a certain set of 7 numbers? (1) 3 of the numbers are less than 10. (2) 4 of the numbers are greater than 10.
PREP07 Test 2	Each unit of a certain product costs a manufacturer $9 to produce. The manufacturer sells the product in boxes of 50 units for $560 per box. How many boxes of the product does the manufacturer need to sell to yield a profit of $110,000 ?
PREP07 Test 2	The arrest of a programmer accused of violating an American digital copyright law has stirred significant opposition, against both the law itself and against the software company that had initiated the case.
PREP07 Test 2	An athlete runs R miles in H hours, then rides a bicycle Q miles in the same number of hours. Which of the following represents the athlete's average speed, in miles per hour, for these two activities combined?
PREP07 Test 2	Is x + y < 1 ?(1) x <$$\frac{8}{9}$$(2) y < $$\frac{1}{8}$$
PREP07 Test 2	Born into poverty and sent by her father into servitude at the age of seven, Martha Matilda Harper created America's first retail franchise network, a radical new business model that enabled women in the late nineteenth and early twentieth centuries to own their own businesses and gain financial independence.
PREP07 Test 2	For each home sold in County X, the buyer and the seller each must pay to County X a tax of 0.5 percent of the sale price of the home. Colleen recently sold her old home and bought a new home, both in County X. What was the total tax that Colleen paid to County X on these home sales? (1) Colleen's old home had a sale price of $169,500. (2) Colleen's new home had a sale price 20% greater than that of her old home.
PREP07 Test 2	For the numbers on the number line above, which of the following statements is true?