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If two events are independents, then A. ...

If two events are independents, then A. They must be mutually exclusive. B. The sum of their probabilities must be equal to 1. i) A and B both are correct ii) None of the above is correct

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. If P(B)=3/5, p(A//B)=1/2 and P(AuuB)=4/5, t h e n\ P(B//A)= 1/5 b. 3/...

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  2. If A and B are two events such that P(A)=0. 4 ,\ P(B)=03\ a n d\ P(Auu...

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  3. If A and B are two events such that A!=varphi,\ B=varphi, then a.P(A//...

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  4. If the events A and B are independent then P(AnnB) is equal to :: a.P...

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  5. If A and B are two independent events with P(A)=3/5a n d\ P(B)=4/9, t ...

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  6. If A and B are two independent events such that P(A)=0. 3 ,\ P(AuuB)=0...

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  7. A flash light has 8 batteries out of which 3 are dead. If two batterie...

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  8. A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random ...

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  9. A bag containing 5 red and 3 blue balls. If 3 balls are drawn at rando...

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  10. In a college 30% students fail in Physics, 25% fail in Mathematics and...

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  11. Three persons A,B and C fire a target in turn . Their probabilities of...

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  12. A and B are two students. Their chances of solving a problem correctly...

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  13. Two cards are drawn from a well shuffled deck of 52 playing cards with...

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  14. A box contains 3 orange balls, 3 green balls and 2 blue balls. Three ...

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  15. If two events are independents, then A. They must be mutually exclusiv...

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  16. Two dice are thrown. If it is known that the sum of the numbers on the...

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  17. If A and B are two events such that P(A//B)=p , P(A)=p , P(B)=1/3a n d...

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  18. A die is thrown and a card is selected at random from a deck of 52 ...

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  19. Assume that in a family, each child is equally likely to be a boy or g...

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  20. Let A and B be two events. If P(A)=0. 2 ,\ P(B)=0. 4 ,\ P(AuuB)=0. 6\ ...

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