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This is a SAMPLE test for Grade: 8, Subject: Math |
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Test Topic(s):
Probability and Statistics |
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| Question 1:
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| On a table, there are 18 english books, 25 math books, 22 science books, 21 history books, and 14 social study books. If a professor is selected at random, what is the probability that it is a history book? |
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| Question 2:
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| On a table, there are 18 english books, 25 math books, 22 science books, 21 history books, and 14 social study books. If a professor is selected at random, what is the probability that it is either a history book or a social study book? |
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| Question 3:
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In a season five top players of a team scored following numbers of goals.
| Player | Number of goals | | James | 150 | | Tim | 128 | | Corian | 98 | | Phil | 101 |
If they keep the same performance, what is the experimental probability that the next goal will be scored by Phil? |
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| Question 4:
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In a season five top players of a team scored following numbers of goals.
| Player | Number of goals | | James | 150 | | Tim | 128 | | Corian | 98 | | Phil | 101 |
If they keep the same performance, what is the experimental probability that the next goal will not be scored by Phil or Corian? |
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| Question 5:
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| In a restaurant, there are 5 managers, 15 servers, 10 cooks and 15 other personnel. If a person is selected at random, what is the probability that the person is either a manager or a cook? |
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| Question 6:
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| In a restaurant, there are 5 managers, 15 servers, 10 cooks and 15 other personnel. If a person is selected at random, what is the probability that the person is neither a manager nor a cook? |
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| Question 7:
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| Probability that event A will occur is 0.33. What is the probability that event A will not occur? |
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| Question 8:
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| Probability that event A will occur is 0.6. Probability that event B will occur is 0.80.
What is the probability that event A and event B both will occur? |
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| Question 9:
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| Probability that event A will occur is 0.6. Probability that event B will occur is 0.80. What is the probability that neither event A nor event B will occur? |
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| Question 10:
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| Probability that event A will occur is 0.6. Probability that event B will occur is 0.80. What is the probability that event A will occur but event B will not occur? |
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