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An urn contains 9 red, 7 white, and 4 black balls if two balls are drawn at random the probability that both the balls are red is

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CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. Find the probability that the birth days of six different persons will...

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  2. Two integers xa n dy are chosen with replacement out of the set {0,1...

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  3. An urn contains 9 red, 7 white, and 4 black balls if two balls are dra...

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  4. Twelve balls are distributed among three boxes, find the probability ...

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  5. A a n d B are two candidates seeking admission in IIT. The probabili...

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  6. Let Aa n dB be two events. Suppose P(A)=0. 4 ,P(B)=p ,a n dP(AuuB)=0....

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  7. There are only two women among 20 persons taking part in a pleasure ...

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  8. Five different games are to be distributed among 4 children randomly. ...

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  9. A man has 3 pairs of black socks and 2 pair of brown socks kept tog...

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  10. Two dice are rolled one after the other.The probability that the numbe...

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  11. A drawer contains 5 brown socks and 4 blue socks well mixed a man r...

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  12. A four figure number is formed of the figures 1, 2, 3, 4, 5 with no ...

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  13. A natural number is chosen at random from the first 100 natural num...

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  14. If Aa n dB are two independent events such that P(A)=1//2 a n d P(B)=1...

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  15. Let Aa n dB be two events such that P(AnnB^(prime))=0. 20 ,P(A^(prime)...

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  16. Mr. A lives at origin on the Cartesian plane and has his office at (4,...

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  17. An urn contains 3 red balls and n white balls. Mr. A draws two balls t...

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  18. A hat contains a number of cards with 30% white on both sides, 50% b...

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  19. lf a ,b , in {1,2,3,4,5,6,}, find the number of ways a and b can be ...

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  20. An artillery targer may be either at point I with probability 8//9 or ...

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