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A speaks truth in 75% and B in 80% of th...

A speaks truth in 75% and B in 80% of the cases. In what percentage of cases are they likely to contradict each other in narrating the same incident?

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The correct Answer is:
0.35

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NAGEEN PRAKASHAN ENGLISH-PROBABIILITY-Exercise 13 B
  1. If A and B are independent events such that P(A)=0.4 and P(B)=0.5, the...

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  2. Given that the events A and B are such that P(A)=1/2, P(AuuB)=3/5a n d...

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  3. If A and B are independent events such that P(A)=0.3 and P(B)=0.5, the...

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  4. If A and B are two events such that P(A) = (1)/(4), P(B) = (1)/(2) and...

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  5. If A and B are two independent events, then the probability of occur...

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  6. A and B are two events such that P(A)=3/5, P(B)=3/10 and P(AuuB)=1/2 ...

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  7. There are 10 black and 8 white balls in a bag. Two balls are drawn wit...

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  8. A card is drawn from a well shuffled pack of 52 cards . In which of th...

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  9. The probabilities that A and b can solve a problem independently are 1...

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  10. Three cards are drawn one by one without replacement from a well shuf...

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  11. In three throws of a dice, find the probability of getting odd number ...

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  12. In a hostel 60% of the students read Hindi news paper, 40% read Englis...

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  13. A speaks truth in 75% and B in 80% of the cases. In what percentage of...

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  14. The odds in favour of A whose age is 45 years will alive upto 60 years...

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  15. In a company there are two vacancies. A man and his wife come for inte...

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  16. A bag contains 50 tickets numbered 1, 2, 3, .., 50 of which five are ...

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  17. In a company there are two vacancies. A man and his wife come for inte...

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