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A bag A contains 2 white and 3 red balls...

A bag A contains 2 white and 3 red balls and a bag B contains 4 white and 5 red and balls. One ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn as red.

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To solve the problem step by step, we need to find the probability that a red ball was drawn given that a red ball was drawn from one of the two bags. ### Step 1: Identify the contents of each bag - Bag A contains: - 2 white balls - 3 red balls - Bag B contains: - 4 white balls ...
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RD SHARMA-PROBABILITY-Solved Examples And Exercises
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  2. Suppose that the reliability of a HIV test is specified as follows:...

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  3. A bag A contains 2 white and 3 red balls and a bag B contains 4 white ...

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  4. The contents of three urns are as follows: Urn 1-7 white, 3 black ball...

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  5. Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin 3...

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  6. Two groups are competing for the positions of the board of Directors o...

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  7. Suppose 5 men out of 100 and 25 women out of 1000 are god orators. An ...

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  9. A factory has three machines X, Y, and Z producing 1000, 2000 and 3...

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  13. There are three coins. One is two headed coin (having head on both ...

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  14. Three urns, A, B, and C contain 6 red and 4 white ; 2 red and 6 white;...

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  15. In a certain college, 4% of boys and 1% of girls are taller than 1....

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  16. An insurance company insured 2000 scooters and 300 motorcycles. The ...

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  17. Of the students in a college, it is known that 60% reside in a hostel ...

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  18. There are three coins. One is a two headed coin (having head on both ...

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  19. Assume that the chances of a patient having a heart attack is 40%. A...

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  20. A test for detection of a particular disease is not fool proof. The ...

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