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Let A ,B ,C ,D be independent events suc...

Let `A ,B ,C ,D` be independent events such that `P(A)=1//2,P(B)=1//3, P(C)=1//5, a n dP(D)=1//6.` Then theprobabi8lity that none of `A ,B ,C ,a n dD` occurs `1//180` b. `1//45` c. `1//18` d. none of these

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CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. A die is thrown a fixed number of times. If probability of getting eve...

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  2. A pair of fair dice is thrown independently three times. The probab...

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  3. Let A ,B ,C ,D be independent events such that P(A)=1//2,P(B)=1//3, P(...

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  4. A sample space consists of 3 sample points with associated probabili...

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  5. Words from the letters of the word PROBABILITY are formed by taking al...

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  6. A class consists of 80 students, 25 of them are girls and 55 are boys....

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  7. A and B play a game of tennis. The situatio of the game is as follows:...

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  8. If the papers of 4 students can be checked by any one of the 7 teac...

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  9. Let A ,B ,C be three mutually independent events. Consider the two sta...

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  10. A box contains 24 identical balls of which 12 are white and 12 are ...

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  11. In a certain town, 40% of the people have brown hair, 25% have brown ...

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  12. If E and F are the complementary events of events E and F , respect...

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  13. The probability that a bulb produced by a factory will fuse after 150 ...

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  14. A coin is tossed 2n times. The chance that the number of times one ge...

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  15. Sixteen players S(1), S(2), S(3),…,S(16) play in a tournament. Number ...

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  16. If pa n dq are chosen randomly from the set {1,2,3,4,5,6,7,8,9, 10} wi...

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  17. The mean deviation of the series a , a+d , a+2d ,.....,a+2nd from its ...

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  18. A letter is known to have come either from LONDON or CLIFTON. On the ...

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  19. A coin has probability p of showing head when tossed. It is tossed n t...

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  20. An urn contains m white and n black balls. A ball is drawn at random ...

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