Show your work for each of the following items. When you have finished check
your answers and see how you have done and correct any problems that you missed.
Multiple
Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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The table shows the drink preferences of 50 shoppers at the mall. What is the
probability that one shopper, selected at random from the 50 surveyed, preferred either Drink A or
Drink D? Drink Survey |
Drink | Number of
Shoppers | A | 7 | B | 8 | C | 10 | D | 11 | E | 14 | | |
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From a barrel of colored marbles, you randomly select 1 blue, 6 yellow, 7
red, 4 green, and 6 purple marbles.
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2.
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Find the experimental probability of randomly selecting a marble that is NOT
yellow.
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3.
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Find the experimental probability of randomly selecting either a green or a
purple marble.
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4.
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Twenty-five percent of the population have pets. What is the probability that
the next person you speak to will have pets?
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5.
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The spinner is divided into equal parts. Use a tree diagram to find the
probability that the spinner will land on a vowel both times, if the spinner is spun twice. 
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6.
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A coin is tossed and a number cube is rolled. What is the probability that the
coin shows heads and the number cube shows 5?
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 The spinner shown is spun once. Find each
probability. Write each answer as a fraction, a decimal, and a percent.
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7.
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P(odd).
A. | 1, 1.0, 100% | C. |  | B. | 0, 0.0, 0% | D. |  |
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8.
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P(3, 6, or 8).
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9.
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P(less than 3).
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A 6-sided number cube is rolled. Find the probability of each event. Write
each answer as a fraction, a decimal, and a percent.
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10.
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P(5).
A. | 1, 1.0 , 100% | C. | 0, 0.0, 0% | B. |  | D. |  |
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11.
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P(less than 4).
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A coin is tossed, and the spinner shown is spun.
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12.
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Find P(heads, A).
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13.
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Find P(heads, A or B).
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14.
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If a 6-sided number cube is also rolled, how many outcomes are possible?
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15.
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If a 6-sided number cube is also rolled, what is P(tails, B, less than
4)?
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16.
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How many outcomes are possible?
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In baseball, Shintaro had 4 hits in his last 12 times at bat.
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17.
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What is the probability that he will get a hit in his next at bat.
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18.
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If Shintaro has 36 at bats in the next week, about how many hits will he
have?
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Mrs. Liang spins each spinner one time.  
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19.
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What is the probability that the first spinner will land on an odd number and
the second spinner will land on a vowel?
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20.
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What is the probability that the first spinner will land on 7 and the second
spinner will land on C?
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