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In a committee of 25 members, each membe...

In a committee of 25 members, each member is proficient either in Mathematics or in Statistics or in both. If 19 of these are proficient in Mathematics, 16 in statistics, find the probability that a person selected from the committee is proficient in both.

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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PROBABILITY-EXERCISE-9(b)
  1. In a class of 60 boys and 20 girls, half of the boys and half of the g...

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  2. For any two events A and B, shows that P(A^(C)capB^(C))=1" +"P(Acap...

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  3. Two persons A and B are rolling die on the condition that the person w...

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  4. A,B,C are 3 newspaper from a city. 20% of the population red A, 16% re...

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  5. If one ticket is randomly selected from tickets numbered 1 to 30. Then...

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  6. If two numbers are selected randomly from 20 consecutive natural numbe...

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  7. A game consists of tossing a coin 3 times and nothing its outcome. A b...

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  8. If E(1),E(2) are two events with E(1)capE(2)=phi then show that P(E(1)...

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  9. A pair of dice rolled 24 times. A person wins by not getting a pair of...

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  10. If P is a probability function, then show that for any two events A an...

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  11. In a box containing 15 bulbs, 5 are defective. If 5 bulbs are select...

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  12. A and B are seeking admission into I.I.T. If the probability for A to ...

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  13. The probability for a contractor to get a road contract is (2)/(3) and...

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  14. In a committee of 25 members, each member is proficient either in Math...

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  15. A,B,C are three horses in a race. The probability of A to win the race...

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  16. A bag contains 12 two rupee coins, 7 one rupee coins and 4 half rupee ...

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  17. The probabilities of three events A,B,C are such that P(A)=0.3, P(B)=0...

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  18. The probabilities of three mutually exclusive events are respectively ...

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  19. On a festival day, a man plans to visit 4 holy temples A,B,C,D in a ra...

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  20. Out of 100 students, two sections of 40 are 60 an formed. If you and y...

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