Posted by **Jen** on Tuesday, July 26, 2011 at 4:08pm.

One card is selected from a deck of playing cards. Determine the probability of selecting:

a card greater than 9 or a black card.

- Math -
**PsyDAG**, Wednesday, July 27, 2011 at 10:54am
For 10, jack, queen, king, ace, there are 4 of each. Half of the cards are black, but two each of above 5 values above will also be black. Either-or probability is found by adding the individual probabilities.

20/52 + 26/52 - 10/52 = ?

- Math -
**Jen**, Wednesday, July 27, 2011 at 12:43pm
36/52??

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