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Get Answers to all your Questions
Read the following passage and answer the questions given at the end :
Diwali Fair
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 bag are represented in Figure-8.
Prizes are given, when a black marble is picked. Shweta plays the game 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 ?
Answers (1)
1) p(pick marble allow) = 5/6
2) p(win prize) = 6/20 = 3/10
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