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There are 5 red and 3 green pens in a bag.There are 2 red and 6 green pens in another bag. A pen is picked up at random from one bag. Using the following instructions, find the probability that the pen piced up: from one bag is red. from another bag is red. from either of the bags is red. |
Answer» Correct Answer - `(5)/(8)` `(1)/(4)` `(7)/(16)` For each bag find S and n(S). For each bag find S and n(S) for red balls. Using formula for probability, find answers for (a),(b), ( c). |
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