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- October 22nd 2007, 03:02 PM #1

- Joined
- Oct 2007
- Posts
- 4

## Help

A family of five people randomly picks a name of a family member from a hat to decide for whom to buy a present.

**What is the probability that nobody picks their own name?**If someone picks their own name, all the names are returned and everyone picks again.**What is the probability that it took exactly two tries for everyone to pick a name of another family member"**

- October 22nd 2007, 03:24 PM #2