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PREP07 Test 1
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If a certain sample of data has a mean of 20.0 and a standard deviation of 3.0, which of the following values is more than 2.5 standard deviations from the mean?
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PREP07 Test 1
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Last year, a certain public transportation system sold an average (arithmetic mean) of 41,000 tickets per day on weekdays (Monday through Friday) and an average of 18,000 tickets per day on Saturday and Sunday. Which of the following is closest to the total number of tickets sold last year?
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PREP07 Test 1
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The residents of Town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and a standard deviation of 6 hours. The number of hours that Pat, a resident of Town X, watched television last week was between 1 and 2 standard deviations below the mean. Which of the following could be the number of hours that Pat watched television last week?
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PREP07 Test 1
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If 0 < x < 1, what is the median of the values x, $${x}^{-1}$$, $${x}^{2}$$, $$\sqrt{x}$$, and $${x}^{3}$$?
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PREP07 Test 1
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 The figure shows seven train stations and the distances, in miles, along the railways that connect these stations. Beginning at one of the stations, a train takes 25 hours to travel directly to station W at an average rate of 50 miles per hour. At which of the stations did the train begin?
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PREP07 Test 1
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Of the following integers, which if the closest approximation to $$(\sqrt{2}+\sqrt{5})^{2}$$
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PREP07 Test 1
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 The figure shown represents a piece of land that is in the shape of a quarter circle. If the land is enclosed by a fence, which of the following is closest to the length, in feet, of the fence?
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PREP07 Test 1
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 According to the table, the median acreage managed by the Federal Land Management
agencies is how many million acres?
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PREP07 Test 1
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If $10,000 is invested at x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?
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PREP07 Test 1
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If $${5}^{21}{4}^{11}={2}({10})^{n}$$ what is the value of n ?
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PREP07 Test 1
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In a survey of students, each student selected from a list of 12 songs the 2 songs that the student liked best. If each song was selected 4 times, how many students were surveyed?
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PREP07 Test 1
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$$If m =\frac{9}{25}, w = \frac{15}{32}$$, and m + w + c = 1, which of the following gives the values of m, w, and c in increasing order?
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PREP07 Test 1
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$$\frac{2^{(4-1)^{2}}}{2^{3-2}}=$$
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PREP07 Test 1
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If $${M}={4}^{\frac{1}{2}}+{4}^\frac{1}{3}+{4}^\frac{1}{4}$$, then the value of M is
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PREP07 Test 2
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x, 3, 1, 12, 8 If x is an integer, is the median of the 5 numbers shown greater than the average (arithmetic mean) of the 5 numbers?(1) x > 6(2) x is greater than the median of the 5 numbers.
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PREP07 Test 2
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If machine J, working alone at its constant rate, takes 2 minutes to wrap 60 pieces of candy, how many minutes does it take machine K, working alone at its constant rate, to wrap 120 pieces of candy? (1) Machine K, working alone at its constant rate, takes more than 5 minutes to wrap 60 pieces of candy. (2) Machines J and K, working together at their respective constant rates, take 1 minute and 30 seconds to wrap 60 pieces of candy.
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PREP07 Test 2
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In the xy-plane, point P has coordinates (a, b) and point Q has coordinates (c, d). What is the distance between P and Q ?(1) b - d = 4(2) a - c = 3
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PREP07 Test 2
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If a, b, and c are positive integers, is b between a and c ?(1) b is 3 greater than a, and b is 5 less than c. (2) c is 5 greater than b, and c is 8 greater than a.
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PREP07 Test 2
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At a certain refreshment stand, all hot dogs have the same price and all sodas have the same price. What is the total price of 3 hot dogs and 2 sodas at the refreshment stand?(1) The total price of 5 sodas at the stand is less than the total price of 2 hot dogs. (2) The total price of 9 hot dogs and 6 sodas at the stand is $21.
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PREP07 Test 2
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If x = 3 and y = 6, is y > nx + k ? (1) n = 5 (2) k = -10
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