Home
Class 11
MATHS
In an entrance test that is graded on th...

In an entrance test that is graded on the basis oftwo examinations, the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing atleast one of them is 0.95. What isthe probability of passing both?

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    PSEB|Exercise EXERCISE|23 Videos
  • RELATIONS AND FUNCTIONS

    PSEB|Exercise EXERCISE|54 Videos

Similar Questions

Explore conceptually related problems

The probability that a student will pass the final examination in both English and Hindi is 0.5 and the probability of passing neither is 0.1. If the probability of passing the English examination is 0.75, what is the probability of passing the Hindi examination?

The probability that a student will pass the final examination in both English and Hindi is 0.5 and the probability of passing neither is 0.1. if the probability of passing the English examination is 0.75, what is the probability of passing the Hindi examination?

Two students Anil and Ashima appeared in an examination. The probability that Anil will qualify the examination is 0.05 and that Ashima will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. Find the probability that : only one of them will qualify the examination.

Two students Anil and Ashima appeared in an examination. The probability that Anil will qualify the examination is 0.05 and that Ashima will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. Find the probability that : at least one of them will not qualify the examination.

It is given that in a group of 3 stundents, the probability of 2 students not having the same birthday is 0.992. What is the probability that the 2 students have the same birthday?

The probability of student A passing an examination is 3/7 and of student B passing is 5/7 . Assuming the two events "A passes, B passes", as independent, find the probability of : only one of them passing the examination

The probability of student A passing an examination is 3/7 and of student B passing is 5/7 . Assuming the two events "A passes, B passes", as independent, find the probability of : only A passing the examination.

The probability of student A passing an examination is 3/5 and of student B pasing is 4/5 . Assuming the two events: 'A passes', 'B passes', as independent find the probability of: only one of the two passing the examination.

PSEB-PROBABILITY-EXERCISE
  1. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B) =...

    Text Solution

    |

  2. In Class XI of a school 40% of the students study Mathematics and 30% ...

    Text Solution

    |

  3. In an entrance test that is graded on the basis oftwo examinations, th...

    Text Solution

    |

  4. The probability that a student will pass the final examination in both...

    Text Solution

    |

  5. In a class of 60 students, 30 opted for NCC, 32 opted for NSS and 24 o...

    Text Solution

    |

  6. In a class of 60 students, 30 opted for NCC, 32 opted for NSS and 24 o...

    Text Solution

    |

  7. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

    Text Solution

    |

  8. 4 cards are drawn from a well -shuffled deck of 52 cards. What is the ...

    Text Solution

    |

  9. A die has two faces each with number ‘1’, three faces each with number...

    Text Solution

    |

  10. A die has two faces each with number ‘1’, three faces each with number...

    Text Solution

    |

  11. A die has two faces each with number ‘1’, three faces each with number...

    Text Solution

    |

  12. In a certain lottery 10,000 tickets are sold and ten equal prizes are ...

    Text Solution

    |

  13. Out of 100 students, two sections of 40 and 60 are formed. If you and ...

    Text Solution

    |

  14. Out of 100 students, two sections of 40 and 60 are formed. If you and ...

    Text Solution

    |

  15. A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A nn B...

    Text Solution

    |

  16. A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A nn B...

    Text Solution

    |

  17. A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A nn B...

    Text Solution

    |

  18. A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A nn B...

    Text Solution

    |

  19. If 4-digit numbers greater than 5,000 are randomly formed from the dig...

    Text Solution

    |

  20. The number lock of a suitcase has 4 wheels, each labelled with ten dig...

    Text Solution

    |