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1. |
Michaela is taking 6 classes this semester at college. Her classes include 2 psychology classes and 1 sociology class. Write a fraction that represents the number of her classes that are neither psychology nor sociology classes. |
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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 table shows the colors of the pairs of socks in Maurice’s drawer. He grabs a pair of socks without looking. Describe the probability that Maurice grabs a black pair.| Color | Frequency | | Black | 7 | | Blue | 1 | | Brown | 1 | | Tan | 1 |
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A. |
impossible |
B. |
certain |
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C. |
likely |
D. |
unlikely |
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Hint |
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3. |
The table shows the colors of nail polish on Ann’s bathroom shelf. She grabs a bottle of polish without looking. Describe the probability that Ann grabs a bottle of pink nail polish.| Color | Frequency | | White | 3 | | Pink | 1 | | Red | 4 | | Blue | 2 |
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A. |
unlikely |
B. |
likely |
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C. |
impossible |
D. |
certain |
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4. |
Jon has a bag of marbles that contains 5 blue marbles, 3 blue marbles, 2 yellow marbles, 1 green marble, and 1 black marble. If he chooses a marble from the bag without looking, what is the probability that he will choose a yellow marble? |
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A. |
2 out of 12;  or |
B. |
1 out of 12;  |
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C. |
2 out of 11;  |
D. |
2 out of 10;  or  |
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Hint |
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5. |
Wendy has a wicker basket where she keeps all of her hair ribbons. The basket contains 3 blue ribbons, 3 pink ribbons, 6 white ribbons, 2 yellow ribbons, and 1 black ribbon. If she chooses a ribbon from the basket without looking, what is the probability that it will be a white ribbon? |
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A. |
3 out of 15;  or |
B. |
6 out of 15;  or  |
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C. |
6 out of 9;  or  |
D. |
1 out of 15;  |
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Hint |
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6. |
Two spinners are divided into three equal parts. The grid below shows the possible outcomes when each spinner is spun once. | Second Spinner | | Red (R) | Blue (B) | Green (G) | | First Spinner | Red (R) | RR | RB | RG | | Blue (B) | BR | BB | BG | | Green (G) | GR | GB | GG |
How many possible outcomes are there? |
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A. |
6 |
B. |
12 |
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C. |
9 |
D. |
3 |
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Hint |
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7. |
A red spinner is divided into four equal parts and a white spinner is divided into five equal parts. The grid shows the possible outcomes when each spinner is spun once. | White Spinner | | 1 | 2 | 3 | 4 | 5 | | Red Spinner | 1 | 1, 1 | 1, 2 | 1, 3 | 1, 4 | 1, 5 | | 2 | 2, 1 | 2, 2 | 2, 3 | 2, 4 | 2, 5 | | 3 | 3, 1 | 3, 2 | 3, 3 | 3, 4 | 3, 5 | | 4 | 4, 1 | 4, 2 | 4, 3 | 4, 4 | 4, 5 |
What is the probability of spinning an odd number on at least one of the spinners? |
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A. |
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B. |
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C. |
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8. |
Draw a tree diagram to show all possible outcomes. Then find the probability for the situation. Toss a coin and spin the spinner. Find the probability of landing tails and spinning a vowel. |
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A. |
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B. |
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C. |
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9. |
Draw a tree diagram to show all possible outcomes. Then find the probability for the situation. Toss three coins. Find the probability that all three coins land heads. |
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10. |
Write a fraction that represents the shaded area. |
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A. |
 or  |
B. |
or  |
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C. |
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D. |
or  |
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Hint |
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