Home
Class 11
MATHS
A speaks truth in 80% cases and B speaks...

A speaks truth in 80% cases and B speaks truth in 70% cases.What is the probability that they like to contradict each other in stating the same fact.

Text Solution

Verified by Experts

The correct Answer is:
`:.Rightarrow38%` can they contradicts.
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO PROBABILITY THEORY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 12.1|10 Videos
  • INTRODUCTION TO PROBABILITY THEORY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 12.2|6 Videos
  • INTEGRAL CALCULUS

    PREMIERS PUBLISHERS|Exercise PROBLEM FOR PRACTICE (MCQ)|42 Videos
  • MATRICES AND DETERMINANTS

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE .(II CHOOSE THE CORRECT OPTION FROM THE FOLLOWING)|46 Videos

Similar Questions

Explore conceptually related problems

A speaks truth in 95% cases and B speaks truth in 90% cases. In what percentage of cases they like to contradict each other in stating the same fact.

X speaks the truth in 70 percent of cases, and Y in 90 percent of cases. What is the probabiiity that they likely to contradict each other in stating the same fact ?

X speaks truth in 70 percent of cases and Y in 90 percent of cases. What is the probability that they likely to c ontradict each other in stating the same fact?

X speaks truth in 60% and Y in 50% of the cases. Find the probability that they contradict each other narrating the same incident.

A speaks truth in 60% cases and B speaks truth in 70% cases. The probability that they will say the same thing while describing a single event is (A) 2/19 (B) 3/29 (C) 17/19 (D) 0.54

A man speaks truth 3 out of 4 times. He throws a die and reports that it is a six. What is the probability that is a six?

Probability that A speaks truth is 4/5 . A coin is tossed. A reports that a head appears. The probability that actually there was head is (A) 4/5 (B) 1/2 (C) 1/5 (D) 2/5

Forty team play a tournament. Each team plays every other team just once. Each game results in a win for one team. If each team has a 50% chance of winning each game, the probability that he end of the tournament, every team has won a different number of games is 1//780 b. 40 !//2^(780) c. 40 !//2^(780) d. none of these

PREMIERS PUBLISHERS-INTRODUCTION TO PROBABILITY THEORY-PROBLEMS FOR PRACTICE (Choose the correct option for the following)
  1. A speaks truth in 80% cases and B speaks truth in 70% cases.What is th...

    Text Solution

    |

  2. Two items are chosen a lot containing 10 items of which 3 are defectiv...

    Text Solution

    |

  3. If A and B are two events such that P((A)/(B))=(1)/(3),P((B)/(A))=(1)/...

    Text Solution

    |

  4. If A and B are two events such that P(barA)=(3)/(4),P((A)/(B))=(1)/(2)...

    Text Solution

    |

  5. The probability two events A and B are 0.2 and 0.5 respectively. The p...

    Text Solution

    |

  6. There are three events A, B and C of which one and only one can happpe...

    Text Solution

    |

  7. A matrix is chosen at random from a set of all matrices of order 2 , w...

    Text Solution

    |

  8. An urn contains 5 red and 5 black balls. A ball is drawn at random, it...

    Text Solution

    |

  9. A number is selected from the set {2,3,…,30}. The probability that the...

    Text Solution

    |

  10. Six coins are tossed simultaneously. Then the probability of getting a...

    Text Solution

    |

  11. If for two events A and B, p(a)=(2)/(5) and P(b)=(3)/(4) and A cupB=S(...

    Text Solution

    |

  12. Find the incorrect statement:

    Text Solution

    |

  13. Find the incorrect statement:

    Text Solution

    |

  14. The following are the probability of two mutually exclusive events A a...

    Text Solution

    |

  15. The following are the probability of an event A. Find odd man out

    Text Solution

    |

  16. Find the correct statement:

    Text Solution

    |

  17. The following are the probability of an event A. Find odd man out

    Text Solution

    |

  18. Find the incorrect statement:

    Text Solution

    |

  19. In a factory two machines A and B produce equal amount of output. On t...

    Text Solution

    |

  20. Let A and B are two events such that P(bar(AcupB))=(1)/(6),P(AcapB)=(1...

    Text Solution

    |

  21. When a pair of balanced dice are rolled .What are the probability of ...

    Text Solution

    |