| Exam Board | CAIE |
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| Module | S1 (Statistics 1) |
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| Year | 2021 |
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| Session | June |
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| Topic | Combinations & Selection |
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1 A bag contains 12 marbles, each of a different size. 8 of the marbles are red and 4 of the marbles are blue.
How many different selections of 5 marbles contain at least 4 marbles of the same colour?