| Exam Board | CAIE |
|---|
| Module | S1 (Statistics 1) |
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| Year | 2003 |
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| Session | November |
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| Topic | Combinations & Selection |
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6
- A collection of 18 books contains one Harry Potter book. Linda is going to choose 6 of these books to take on holiday.
- In how many ways can she choose 6 books?
- How many of these choices will include the Harry Potter book?
- In how many ways can 5 boys and 3 girls stand in a straight line
- if there are no restrictions,
- if the boys stand next to each other?