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A die is thrown twice and the sum of the...

A die is thrown twice and the sum of the numbers appearing is observed to be 6. What is the conditional probability that the number 4 has appeared at least once?

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. Ramesh appears for an interview for two posts A and B for which select...

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  2. Tickets are numbered from 1 to 10. two tickets are drawn one after the...

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  3. A die is thrown twice and the sum of the numbers appearing is observed...

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  4. If a dice is thrown 3 times in succession. What is the probability tha...

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  5. If a dice is thrown 3 times in succession. What is the probability tha...

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  6. What is the chance of throwing an ace in only in first of two successi...

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  7. In a thrown of three dice, find the probability that atleast one dice ...

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  8. A bag contains 5 white and 3 black balls. Four balls are successively ...

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  9. A bag contains 8 red, 3 white and 9 blue balls. If three balls are dra...

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  10. A bag contains 8 red, 3 white and 9 blue balls. If three balls are dra...

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  11. A dice is thrown 3 times and the sum of the 3 numbers thrown is 15. Th...

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  12. Two drawings, each of 3 balls, are made from a bag containing 5 white ...

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  13. Two drawings each of 3 balls, are made from a bag containing 5 white a...

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  14. In three throws with a pair of dice, find the chance of throwing doubl...

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  15. In four throws with a pair of dice, what is probability of throwing do...

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  16. An anti-air craft gun can take maximum four at an enemy plane, moving ...

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

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

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

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

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