Home
Class 14
MATHS
A student appears for tests A, B and C. ...

A student appears for tests A, B and C. The student is successful if he passes either in tests A and B or tests A and C. The probabilities of the student passing in tests A, B, C are P ,q and 1/2 respectively. If the probability that the student is successful is`1/2` then,

A

`p=1,q=0`

B

p=0,q=1

C

`p/q`=1

D

infinitely many solutions

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    QUANTUM CAT|Exercise QUESTION BANK|678 Videos

  • PROFIT , LOSS AND DISCOUNT

    QUANTUM CAT|Exercise QUESTION BANK|205 Videos

Similar Questions

Explore conceptually related problems

A student appears for tests 1, 2 and 3. The studentis successful if he passes either in tests 1 and 2 or tests 1 and 3. The probabilities of the student passing in tests 1, 2 and 3 are p, q and (1)/(2) , respectively. If the probability that the student is successful is (1)/(2) , then

A student appears for tests I, II and III. The student is successful if the passes either in tests I and II or tests I and III. The probabilities of the student passing in tests I, II and III are p,q and (1)/(2) , respectively. If the probability that the student is successful, is (1)/(2) , then

A student appears for test I and II.The student is successful if he passes either in test I or test II.The probability of the student passing in test I and II are p and (1)/(3) respectively.If the probability that the student is successful is (1)/(2) then find the value of p.

A student appears for tests I, II and III. The student is considered successful if he passes in tests I, II or I, III or all the three. The probabilities of the Student passing in tests II and III are m, n and 1/2 respectively. If the probability of the student to be successful is 1/2, then which one of the following is correct? (a) m (1+n)=1 (B) n (1+m) =1 (C) m=1 (D) mn=1

In a maths paper there are 3 sections A,B& C. Section A is compulsory. Out of sections B & C a student has to attempt any one. Passing in the paper means passing in A & passing in B or C. The probability of the student passing in A, B & C are p,q & 1/2 respectively. If the probability that the student is successful is 1/2 then :

The probabilities of solving a problem by three students A,B and C are 1/2, 1/3 and 1/4 respectively. The probability that the problem will be solved, is

QUANTUM CAT-PROBABILITY-QUESTION BANK
  1. A and B throw alternately a pair of dice. A wins if he throws 6 before...

    Text Solution

    |

  2. a consignment of 15 record players contain 4 defectives .the record pl...

    Text Solution

    |

  3. In a test, an examinee either guesses or copies or knows the answer to...

    Text Solution

    |

  4. Given that the sum of two - negative quanties is 200 , the pr...

    Text Solution

    |

  5. A pack of cards consists of 9 cards numbered 1 to 9. three cards are d...

    Text Solution

    |

  6. Three numbers are selected at random without replacement from the set ...

    Text Solution

    |

  7. Two numbers b and c are chosen at random with replacement from the num...

    Text Solution

    |

  8. The probabilities that a student passes in Mathematics,Physics and Che...

    Text Solution

    |

  9. A student appears for tests A, B and C. The student is successful if h...

    Text Solution

    |

  10. If (1+4p)/p,(1-p)/4,(1-2p)/2 are probabilities of three mutually exc...

    Text Solution

    |

  11. A letter is takenout at random from 'ASSISTANT and another is taken ou...

    Text Solution

    |

  12. Two number aa n db aer chosen at random from the set of first 30 natur...

    Text Solution

    |

  13. A man takes a step forward with probability 0.4 and back ward with pro...

    Text Solution

    |

  14. Three of the six vertices of a regular hexagon are chosen at random. T...

    Text Solution

    |

  15. A man takes a step forward with probability 0.4 and back ward with pro...

    Text Solution

    |

  16. Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 ...

    Text Solution

    |

  17. The digits 1,2,3,....,9 are written in random order to form a nine dig...

    Text Solution

    |

  18. To communicate with each other, computers make use of over a network.

    Text Solution

    |

  19. Zuckerberg ,my facebook friend, recently returned from his honeymoon t...

    Text Solution

    |

  20. In a regular decagon there are diagonals of distinct sizes. If all the...

    Text Solution

    |