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summerhumphries3
17.12.2019 •
Mathematics
If 6 cards are drawn at random from a standard deck of 52 cards, what is the probability that exactly 2 of the cards are spades? select one of the options below as your a. 0.038 b. 0.200 c. 0.315 d. 0.465 e. 0.747
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Ответ:
Probability: ( 13 C 2 * 39 C 4 ) / ( 52 C 6 ) =
=
Ответ:
Explanation: 4(x-7)=2x+3
4x-28=2x+3
4x-2x=28+3
-6x=31
Hope it helps.