SOLUTION: There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 11/12 . There are 72 marbles in total in the bag and each is equa

Question 1152937: There is a bag with only red marbles and blue marbles.
The probability of randomly choosing a red marble is
11/12
.
There are 72 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
probability of a red marble's being chosen is 11/12, and for blue is therefore 1/12
Therefore, 12/12 is for prob of 1, and 1/12 probability means 6 blue marbles and 66 red marbles ANSWER.
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