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If A and B are two complementary events,...

If A and B are two complementary events, then what is the relation between P(A) and P(B).

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The correct Answer is:
P(A)+P(B)=1
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NAGEEN PRAKASHAN-PROBABILITY-Exercise
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  2. It is known that a box of 200 electric bulbs contains 16 defective bul...

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  3. If A and B are two complementary events, then what is the relation bet...

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  4. 17 cards numbered 1,2,3....., 17 are put in a box and mixed thoroughly...

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  5. Which of the following cannot be the probability of an event : (i) (...

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  6. A bag contains 3 red balls and 5 black balls. A ball is drawn at rando...

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  7. In a family of 3 children the probability of having at least one boy i...

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  8. A bag contains 6 red, 5 black and 4 white balls. A ball is drawn from ...

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  9. A book contains 85 pages. A page is chosen at random. What is the prob...

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  10. Which of the following cannot be the probability of an event : (A) 2...

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  11. Two dice are thrown at the same time. Write down the possible outcomes...

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  12. In a musical chairs game, a person has been advised to stop playing th...

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  13. The probability of selecting a red ball at random from a jar that cont...

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  14. A bag contains 18 balls out of which x balls are red. (i) If one bal...

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  15. From a well shuffeled deck of 52 cards, one card is drawn. Find the pr...

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  16. All the three face cards of spades are removed from a well shuffled pa...

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  17. Find the probability that the month of January may have 5 Mondays in (...

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  18. Find the probability that the month of February may have 5 Wednesdays ...

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