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Mathematics
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One card is drawn from a standard deck of cards. What is the probability that it is either a black card or a face card?
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there are 13 * 2 black cards and 4 * 3 face cards and a total of 13*4 cards in a deck
but in 12 facecards, there are also 6 black cards
so what is the chance he will draw 26 black cards or the 6 other face cards that are not black
26+6/13*4 =32/52
|dw:1369969913028:dw|
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which reduces to 8/13. thanks a ton!!
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