Math

You are given 11 tiles. They are N,A,C,O,G,D,O,C,H,E,S
What is the probability of 1st "choosing an "S" and 2nd choosing a "C", if the tile has been replaced?

1. 👍 0
2. 👎 0
3. 👁 42
1. How many of the 11 tiles matches on each draw?

1. 👍 0
2. 👎 0

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