Marbles in bags or bags in marbles
You have three bags, each containing two marbles. Bag A contains two white marbles, Bag B contains two black marbles, and Bag C contains one white marble and one black marble.
You pick a random bag and take out one marble.
It is a white marble.
What is the probability that the remaining marble from the same bag is also white?
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1 solution
there are 3 bags so, no.of bags=3 and,then,the total no.of white marbles in all bags=2 therefore,probability of white marbles in the bag=no.of white marbles/no.of bags or,2/3