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Using a function rand5() that returns an integer from 1 to 5 (inclusive) with uniform probability, implement a function rand7() that returns an integer from 1 to 7 (inclusive).
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| #!/usr/bin/env ruby | |
| def rand5() | |
| rand(5) + 1 | |
| end | |
| def rand7() | |
| (7 * rand5()) / 5 | |
| end | |
| puts rand7() |
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