Home
Class 11
MATHS
Three numbers are chosen from 1 to 20. F...

Three numbers are chosen from 1 to 20. Find the probability that they are consecutive.

A

`1/(60)`

B

`3/(190)`

C

`1/(57)`

D

`3/(20)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|239 Videos
  • QUESTION PAPER 2016

    MARVEL PUBLICATION|Exercise QUESTION|47 Videos

Similar Questions

Explore conceptually related problems

Three numbers are chosen from 1 to 30. The probability that they are not consecutive is

Three numbers are chosen at random from 1 to 15. The probability that they are consecutive is

Three numbers are chosen from 1 to 8. Find the probability for the 3 chosen numbers to be not consecutive.

Two numbers are chosen from 1 to 5. The probability for the two numbers to be consecutive is

Three numbers are chosen at random from numbers 1to 30.Write the probability that the chosen number are consecutive.

Three numbers are chosen at random from numbers 1 to 30. The probability that the minimum of the chosen numbers is 9 and maximum is 25, is

There are 6 positive numbers and 8 negative numbers. Three numbers are chosen from them at random and multiplied. The probability that the product is a negative number is

MARVEL PUBLICATION-PROBABILITY DISTRIBUTIONS-MCQs
  1. The time (X) one has to wait for a bus at a downtown bus -stop has t...

    Text Solution

    |

  2. A random variable X takes the values 0,1,2,3,..., with prbability PX(=...

    Text Solution

    |

  3. A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If...

    Text Solution

    |

  4. If in a distribution each x is replaced by corresponding value of f(x)...

    Text Solution

    |

  5. If the range ot a random vaniabie X is 0,1,2,3, at P(X=K)=((K+1)/3^k) ...

    Text Solution

    |

  6. If X follows a binomial distribution with parameters n=6 and p. If 4(P...

    Text Solution

    |

  7. Seven chits are numbered 1 to 7. Four chits are drawn one by one with ...

    Text Solution

    |

  8. An unbiased die is thrown . X dentes the number on the face of the die...

    Text Solution

    |

  9. Three numbers are chosen from 1 to 20. Find the probability that they ...

    Text Solution

    |

  10. Two cards are drawn from a well shuffled pack of 52 cards. The probabi...

    Text Solution

    |

  11. A and B are two events such that P (Acup B) = 0.5,P(AcapB) =0.3 ,P(B)=...

    Text Solution

    |

  12. Given P(A cup B)=0.6 , P(A capB)=0.2 , then probability of exactly on...

    Text Solution

    |

  13. From a group of 8 boys and 3 girls, a committee of 5 members to be for...

    Text Solution

    |

  14. If P (A) =0.8, P(B)=0.6, P(AcapB)=0.5, then P(B'|A')=

    Text Solution

    |

  15. If two dice are thrown together . Then , the probability that the sum ...

    Text Solution

    |

  16. A four digit number is to be formed using the digits 1,2,3, 4, 5,6,7 (...

    Text Solution

    |

  17. Two coins are tossed simultaneously. Then, the value of E(X), where X ...

    Text Solution

    |

  18. If P (A) =0.4,P(B)=0.8 and P(A cap B)=0.3 then the probability that ex...

    Text Solution

    |

  19. An urn contains 4 black and 6 red balls. If two balls are drawn at ran...

    Text Solution

    |

  20. Two fair coins are tossed .if X represents the number of tails obtaine...

    Text Solution

    |