A game in a booth at a Diwali Fair involves using a spinner first. Then, if the spinner stops on an even number, the player is allowed to pick a marble from a bag. The spinner and the marbles in the bags are represented in the given figure. Prizes are given, when a black marbles is picked. Shweta plays the same once.
(i) What is the probability that she will be allowed to pick a marble from the bag?
(ii) Suppose she is allowed to pick a marble from the bag, what is the probability of getting a prize, when it is given that the bag contains 20 balls out of which 6 are black?
CBSE 10th Class Mathematics
Past year question paper
SET 1, Code Number – 30/5/1
Question Number – 33