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1. |
A pin is dropped at random onto the square below. The point of the pin lands on one of the small regions. What is the probability that the point lands inside a yellow or green region? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
The Counting Principle uses the operation ______. |
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A. |
subtraction |
B. |
division |
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C. |
multiplication |
D. |
addition |
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3. |
If four coins are tossed, find the probability that all four coins land heads. |
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A. |
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B. |
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C. |
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D. |
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4. |
There are 8 floats in a parade. If the float carrying the grand marshal must be first, how many ways can the parade organizer pick the next two floats in the parade? |
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A. |
21 |
B. |
56 |
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C. |
28 |
D. |
42 |
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Hint |
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5. |
Ten points are located on a circle. How many line segments can be drawn with these points as endpoints? |
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A. |
90 |
B. |
100 |
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C. |
45 |
D. |
10 |
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Hint |
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6. |
How many different 3-card hands can be dealt from a standard deck of 52 cards? |
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A. |
22,100 |
B. |
11,050 |
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C. |
132,600 |
D. |
265,200 |
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Hint |
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7. |
A coin is weighted so that the probability of its landing heads is 0.6. If the coin is tossed twice, find the probability of getting two heads. |
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A. |
0.36 |
B. |
0.08 |
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C. |
0.16 |
D. |
0.24 |
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Hint |
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8. |
What percent answered yes to the survey question? |
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A. |
about 69% |
B. |
about 66% |
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C. |
about 31% |
D. |
about 34% |
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Hint |
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9. |
Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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10. |
The chart shows the data from rolling a number cube. What is the experimental probability of rolling a 2? |
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A. |
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B. |
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C. |
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D. |
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11. |
Out of 570 jellybeans, 120 are yellow. What is the probability that a jellybean picked at random is not yellow? |
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A. |
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B. |
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C. |
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D. |
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12. |
Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is between 10,000 and 20,000. |
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A. |
25% |
B. |
20% |
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C. |
33 % |
D. |
16 % |
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Hint |
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13. |
Two-hundred fifty people were asked whether they have seen various types of movies at a movie theater in the last month. The table gives the results of the survey. What is the experimental probability that a person has seen a comedy in the last month? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
To determine who the voters will chose for governor, five voters picked at random from each county of the state are surveyed. Describe the sample. |
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A. |
The sample is unbiased because it is a simple random sample. |
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B. |
The sample is unbiased because it is a systematic random sample. |
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C. |
The sample is unbiased because it is a stratified random sample. |
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D. |
The sample is biased because it is a convenience sample. |
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Hint |
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