[gaming_mouse]

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Think of it this way. You have a 25% chance of finding your card on the turn, and 25% of hitting it on the river. 25%+25%=50%.

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Please do not answers probability questions if you do not understand basic probability. The chance of of hitting at least one flush card by the river is calculated as follows:

1 - (38/47)*(37/46)=.3498, about 35%, NOT 50%

gm