1.   The machine that fills gallon milk jugs at a dairy dispenses the milk in amounts that are normally distributed with a standard deviation of 0.002 gallon. What percent of the jugs will get between 0.998 and 1.002 gallons of milk?
    A. 100% B. 95%
    C. 99% D. 68%
    Hint

  2.   The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a group of 200 students, how many would you expect to score more than 70?
    A. 32 B. 1
    C. 5 D. 10
    Hint

  3.   Kim needs to choose a 4-digit personal identification number (PIN) to use with her phone card. She may use a digit only once. How many different PINs can she choose from?
    A. 900 B. 8020
    C. 5610 D. 5040
    Hint

  4.   Evaluate C(5, 3).
    A. 20 B. 30
    C. 10 D. 40
    Hint

  5.   Find C(10, 3).
    A. 80 B. 120
    C. 144 D. 34
    Hint

  6.   A bag contains 7 blue marbles, 8 green marbles, 15 red marbles, and 10 yellow marbles. Find the probability of randomly drawing without replacement, a blue marble and then a red.
    A. or about 0.0656 B. or about 0.2273
    C. or about 0.0673 D. or about 0.0438
    Hint

  7.   A box of crayons contains 8 blue, 9 red, and 13 yellow. Find the probability of first choosing a yellow, then a blue, and then another yellow crayon if there is no replacement.
    A. B.
    C. D.
    Hint

  8.   As a captain of his football team, Julian called the coin toss for 6 football games. What is the probability that he won the coin toss 4 times and lost 2 times?
    A. or about 0.9375 B. or about 0.0586
    C. or about 0.4688 D. or about 0.2344
    Hint

  9.   The Boor Foundation conducted a poll asking people to name the most serious problem facing the nation. Of the 600 people polled, 48% of the randomly selected people answered education. Find the margin of error for this sampling.
    A. 24.96 B. 0.5200
    C. 0.0407922 D. 0.2039608
    Hint

  10.   42% of a random sampling of 800 people felt that skim milk was as nutritional as whole milk. Find the margin of error for this sampling.
    A. 0.58 B. 0.0348999
    C. 0.2436 D. 0.0003045
    Hint

  11.   In baseball, a cycle occurs when someone hits a single, double, triple, and home run in the same game. Assuming that a player bats only four times in a game, how many different ways can someone hit for the cycle?
    A. 256 B. 12
    C. 24 D. 6
    Hint

  12.   Suppose two dice are rolled. What is the probability that a sum of 2, 4, or 6 will not be rolled?
    A. B.
    C. D.
    Hint

  13.   Suppose the probability of success is x, and the probability of failure is y. What is x + y?
    A. x + y B. 0
    C. cannot be determined D. 1
    Hint

  14.   One card is drawn from a standard deck of cards. What is the probability that it is either a black card or a face card?
    A. B.
    C. D.
    Hint

  15.   There are 25 things that can break on a car. Seven are maintenance problems, 14 are small repairs, and 4 are major problems. If a problem occurs at random, what is the probability that it is not a major problem?
    A. B.
    C. D.
    Hint

  16.   Which measure of variation does not depend on the mean?
    A. standard deviation B. mode
    C. variance D. range
    Hint

  17.   In the set of data
{113, 146, 146, 154, 157, 170, 181},
which measure of central tendency has the highest value? What is the value?
    A. mean, 152 B. mean, 178
    C. mode, 146 D. median, 154
    Hint

  18.   Suppose a mathematician has a probability of answering any math question correctly. What is the probability that he answers exactly 3 out of 5 math questions correctly?
    A. 0.328 B. 0.0729
    C. 0.54 D. 0.0081
    Hint



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