# SOLUTION: Sixteen problems are written on cards one per card.They are three categories Of problems :True-False(6Problems),Multiple Choice (7problems) & Word Problem (3problems).Two cards a

Algebra ->  Algebra  -> Permutations -> SOLUTION: Sixteen problems are written on cards one per card.They are three categories Of problems :True-False(6Problems),Multiple Choice (7problems) & Word Problem (3problems).Two cards a      Log On

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 Algebra: Combinatorics and Permutations Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Permutations Question 619426: Sixteen problems are written on cards one per card.They are three categories Of problems :True-False(6Problems),Multiple Choice (7problems) & Word Problem (3problems).Two cards are selected at random.Find the probability that the two problems are in Different categories.. I did this but dont get the right answer C(6,2) x C(6,2) x C(4,2) / C (16,2) What am I doing.wrong?Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi, Sixteen problems are written on cards: 6 True-False,7 Multiple Choice & 3 Word Problem Two cards are selected at random. Find the probability that the two problems are in Different categories.. P (1 of each type) = 6C1*10C1/16C2 ```