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Probability

Tiles numbered 1 through 20 are placed in a box. Tiles numbered 11 through 30 are placed in a second box. One tile is randomly drawn from each box. Find each probability.

The first tile is less than 15 and the second tile is even or greater than 25.

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1 Answer

Tile 1:  Success = 1-14, so probability of success = 14/20 = 70%.

Tile 2:  Success = 12, 14, 16, 18, 20, 22, 24, and 26-30, so probability of success = 12/20 = 60%.