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A bag contains 4 white and 7 black and 5...

A bag contains 4 white and 7 black and 5 red balls. 4 balls are drawn one by one with replacelment. What is the probability that at least two are white?

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. A card is drawn from a well shuffled deck of 52 cards. The outcome is ...

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  2. A card is drawn from a well shuffled deck of 52 cards. The outcome is ...

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  3. A bag contains 4 white and 7 black and 5 red balls. 4 balls are drawn ...

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  4. A bag contains 17 balls marked with the numbers 1 to 17. a ball is dra...

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  5. A bag contains 3 red and 5 black balls and second bag contains 6 red a...

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  6. A bag contains 4 white balls and 2 black balls. Another bag contains 3...

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  7. A bag contians 4 white balls and 2 black balls. Another bag contains 3...

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  8. A bag contians 4 white balls and 2 black balls. Another bag contains 3...

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  9. In bag A , there are 5 white and 8 red balls, in bag B, 7 white and 6 ...

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  10. One bag contains 5 white and 6 black balls. Another bag contains 7 whi...

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  11. one bag contains 6 white and 5 black balls. Another bag contains 5 whi...

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  12. A bag contains 4 white and 5 black balls. Another bag contains 9 white...

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  13. A dice is so biased that it is twice as likely to show an even number ...

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  14. A and B take turn in throwing two dice. The first to throw 9 being awa...

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  15. A and B throw a pair of dice alternately, till one of them gets a tota...

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  16. In a single throw of three dice, find the probability of getting a tot...

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  17. In a single throw of three dice, find the probability of getting a tot...

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  18. One card is drawn at random from a well shuffled deck of 52 cards. In ...

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  19. One card is drawn from a pack of 52 cards to that each card is equally...

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  20. One card is drawn from a pack of 52 cards to that each card is equally...

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