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The probability of hitting a target by t...

The probability of hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probability that one and only one of them will hit the target when they fire simultaneously.

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The probability of hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probability that no one will hit the target when they fire simultaneously.

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CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. The probability of happeining an event A in one trial is 0.4. Find the...

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  2. A, B, C in order draws a card from a pack of cards, replacing them aft...

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  3. The probability of hitting a target by three marksmen are 1/2, 1/3 a...

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  4. Three persons work independently on a problem. If the respective pr...

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  5. If P(AuuB)=3//4 and P( barA )=2//3 , then find the value of P( barA nn...

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  6. A box contains 6 nails and 10 nuts. Half of the nails and half of t...

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  7. A fair coin is tossed repeatedly. If tail appears on first four tos...

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  8. Let A ,B ,C be three events. If the probability of occurring exactly ...

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  9. A die marked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be ...

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  10. If P(A//B)=P(A//B '), then prove that A and B are independent.

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  11. Find the probability of getting at least one tail in 4 tosses of a coi...

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  12. If a dice is thrown twice, then find the probability of getting 1 in t...

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  13. A die is thrown 4 times. Find the probability of getting at most tw...

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  14. A coin is tossed three times in succession. If E is the event that ...

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  15. The probabilities of three mutually exclusive events are 2/3, 1/4, ...

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  16. If P(AnnB)=1/2,P( barA nn barB )=1/3, P(A)=p , P(B)=2p , then find ...

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  17. If A and B are events such that P(AuuB)=3//4.P(AnnB)=1//4,and P(A^c)...

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  18. Three students A, B and C are in a swimming race. A and B have the sam...

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  19. Let the nine different letters A, B, C… I in {1, 2, 3, …, 9}. Then fin...

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  20. A pack of 52 cards is divided at random into two equals parts. Find th...

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