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A bag contains 9 discs of which 4 are re...

A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yelow. The discs are similar in shape and size. A disc is drawn at random from the bag. Calculate the probability that it will be
(i) red (ii) yellow (iii) blue (iv) not blue (v) either red or yellow.

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MODERN PUBLICATION-PROBABILITY -EXERCISE
  1. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yelow....

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  2. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yelow....

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  3. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yelow....

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  4. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow...

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  5. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow...

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  6. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yelow....

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  7. Two coins are tossed simultaneously. Complete the following table :

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  8. Two dice are tossed simultaneously. Complete the following table :

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  9. Three coins are tossed simultaneously. Write the sample space and comp...

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  10. A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at ra...

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  11. A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at ra...

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  12. A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at ra...

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  13. A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at ra...

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  14. A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at ra...

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  15. Six boys and six girls sit in a row randomly. The probability that the...

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  16. Six boys and six girls sit in a row at random. Find the probability th...

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  17. A coin is tossed thrice. If event E denotes the ‘number of heads is od...

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  18. From a group of 2 men and 3 women, two persons are selected. Describe ...

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  19. What is the probability that the numbers selected from the numbers 1, ...

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  20. What is the probability that a number selected from the numbers 1, 2, ...

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