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Three coins are tossed once. Find the pr...

Three coins are tossed once. Find the probability of getting
at least two heads.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. Three events A, B and C have probabilities 2/5,1/3 and 1/2, respectiv...

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  2. A coin is tossed successively three times. Determine the probability o...

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  3. Three coins are tossed once. Find the probability of getting at least ...

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  4. Three coins are tossed. Find the probability of : atmost two heads

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  5. A coin and a dice are thrown. What is the probability of getting "a he...

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  6. Two dice are tossed. Find whether the following two events A and B are...

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  7. Two dice are thrown together. Let A be the event 'getting 6 on the fir...

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  8. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  9. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  10. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  11. A husband and his wife appear for an interview for two parts. The prob...

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  12. A husband and his wife appear for an interview for two parts. The prob...

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  13. A husband and his wife appear for an interview for two parts. The prob...

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  14. In a family, the husband tells in a lie in 30% cases and the wife in 3...

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  15. A speaks truth in 75% of the cases. While B in 90% of the cases. In wh...

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  16. Three cards are drawn with replacement from a well shuffled pack of ca...

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  17. From a pack of 52 cards, 3 cards are drawn at random. Find the probabi...

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  18. A problem in satistics is given to three students whose chances of so...

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  19. Two cards are drawn from a well shuffled of 52 cards. One after anothe...

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  20. A and B appeared for an interview for two posts. Probability of A sele...

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