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13-03-2017
Mathematics

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a card is chosen from a standard deck. find the probability of getting a queen or 10 given that the card is red.

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13-03-2017

4 queens
4 tens
2 colors, 1 is red

so probbality=desired outcomes/total possible

queens=4/52=1/13≈7.692307692307692307692307692308%
tens=4/52=1/13≈7.692307692307692307692307692308%
red=1/2=50%

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