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What is the probability that the numbers...

What is the probability that the numbers selected from the numbers 1, 2, 3, .... , 30 is a prime number ? You may assume that each of the 30 numbers is equally likely to be selected.

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MODERN PUBLICATION-PROBABILITY -EXERCISE
  1. A coin is tossed thrice. If event E denotes the ‘number of heads is od...

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

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

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

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  5. A bag contains 3 red balls bearing one of the numbers 1, 2 or 3 (one n...

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  6. A bag contains 3 red balls bearing one of the numbers 1, 2 or 3 (one n...

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  7. A bag contains 3 red balls bearing one of the numbers 1, 2 or 3 (one n...

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  8. In a lottery, a person chosen six different natural numbers at random ...

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  9. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  10. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  11. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  12. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  13. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  14. 20 cards are numbered from 1 to 20. One card is then drawn at random. ...

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  15. Two dice are thrown. Find the odds in favour of getting the sum : 4. W...

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  16. Two dice are thrown. Find the odds in favour of getting the sum : 5. W...

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  17. A fair coin is tossed four times, and a person wins Re. 1 for each hea...

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  18. Check whether the following Probabilities P (A) and P (B) are Consiste...

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  19. Check whether the following Probabilities P (A) and P (B) are Consiste...

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  20. Events E and F are such that P (not E or not F) = 0.25. State whether ...

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