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September 19, 2014

September 19, 2014

Posted by **Sarah** on Tuesday, October 26, 2010 at 8:18am.

- Probability -
**Reiny**, Tuesday, October 26, 2010 at 8:34amI think this is trick question.

If 3 are correct, how can the fourth be wrong?

So all 4 will have to be right.

prob of that = 1/4! = 1/24

- Probability -
**Jen**, Tuesday, October 26, 2010 at 9:49amExactly 3 is impossible. If 3 were right, 4 would have to be right. The chances of exactly 3 would be 0.

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