there are 3 decks of cards , each deck has 6 cards marked 1 , 2 , 3 , 4 , 5 and 6 . what is the total number of possible ways of drawing one card from each deck , so that the sum of the three cards drawn is 7 ?
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Answer:
Hi...
Step-by-step explanation:
n(s)=18
nA=6
6/18
1/3
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