Home
Class 12
MATHS
The p.m.f. of a r.v. X is as follows : ...

The p.m.f. of a r.v. X is as follows :
`P(X=0)=3k^(3),P(X=1)=4k-10k^(2),P(X=2)=5k-1`,
`P(X=x)=0" for any other values of x, then "P(0ltXlt3)` =

A

`(1)/(9)`

B

`(8)/(9)`

C

`(2)/(3)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANE

    NIKITA PUBLICATION|Exercise MULTIOLE CHOICE QUESTIONS|154 Videos
  • QUESTION PAPER MHT-CET 2016

    NIKITA PUBLICATION|Exercise MCQs|50 Videos

Similar Questions

Explore conceptually related problems

The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(2),P(X=2)=5k-1 , P(X=x)=0" for any other values of x, then "P(Xlt1) =

The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(2),P(X=2)=5k-1 , P(X=x)=0" for any other values of x, then k ="

The p.m.f. of a.r.v. X is as follows: P( X=0) = 3k^ (3), P(X=1) = 4k-10k^ (2) , P(X=2)=5k-1, P(X=x)=0 for any other value of x, then value of k is

A random variable x has its range {0,1,2} and the probabilities are given by P(x=0) =3k^(3), P(x=1) =4k-10k^(2) , P(x=2) =5k-1 where k is a constant then k=

The p.m.f. of a r.v. X is P(x)={{:((3-x)/(10)","x=-1","0","1","2),(0", otherwise"):} then E (X) =

The p.m.f. of a r.v. X is P(x)={{:((c)/(x^(3))","x=1","2","3),(0", otherwise"):},"then" E (X) =

The p.m.f. of a r.v. X is P(x)={{:(kx^(2)","x=1","2","3","4),(0", otherwise"):} , then E (X) =

The p.m.f. of a r.v. X is P(x)={{:(kx","x=1","2","3),(0", therwise"):} , then k =

The p.d.f. of a r.v. X is f(x)={{:(kx^(2)(1-x)","0ltxlt1),(0", otherwise"):} , then k =

The p.d.f. of a r.v. X is f(x)={{:(3(1-2x^(2))","0ltxlt1),(0", otherwise"):} , then F (x) =

NIKITA PUBLICATION-PROBABILITY DISTRIBUTION-MCQs
  1. The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(...

    Text Solution

    |

  2. The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(...

    Text Solution

    |

  3. The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(...

    Text Solution

    |

  4. The p.m.f. of a r.v. X is as follows : P(X=0)=3k^(3),P(X=1)=4k-10k^(...

    Text Solution

    |

  5. The p.m.f. of a r.v. X is P(x)={{:((3-x)/(10)","x=-1","0","1","2),(0",...

    Text Solution

    |

  6. The p.m.f. of a r.v. X is P(x)={{:((c)/(x^(3))","x=1","2","3),(0", oth...

    Text Solution

    |

  7. The expected value of the number of heads obtained when three coins ar...

    Text Solution

    |

  8. A fair coin is tosed 3 times. A person receives "Rs. "X^(2) if he gets...

    Text Solution

    |

  9. If X denotes the number obtained on the uppermost face when a fair di...

    Text Solution

    |

  10. The expected value of the sum of the two numbers obtained when two fai...

    Text Solution

    |

  11. A bakerman sells 5 types of cakes. Profit due to the sale of each type...

    Text Solution

    |

  12. Two cards are drawn at random from a box which contains 5 cards number...

    Text Solution

    |

  13. A r.v. X assumes values 1, 2, 3, …, n with equal probabilities. If Var...

    Text Solution

    |

  14. A r.v. X assumes values 1, 2, 3, …, n with equal probabilities. If Var...

    Text Solution

    |

  15. The p.m.f. of a r.v. X is P(x) = {((2x)/(n(n+1)), x=1","2","....","n),...

    Text Solution

    |

  16. The p.m.f. of a r.v. X is P(x)={{:((2x)/(n(n+1))","x=1","2","...","n),...

    Text Solution

    |

  17. The p.m.f. of a r.v. X is P(x)={{:(kx","x=1","2","3),(0", therwise"):}...

    Text Solution

    |

  18. The p.m.f. of a r.v. X is P(x)={{:(kx","x=1","2","3),(0", otherwise"):...

    Text Solution

    |

  19. The p.m.f. of a r.v X is P(x)={{:(kx","x=1","2","3),(0", otherwise"):}...

    Text Solution

    |

  20. If X denotes the number obtained on the uppermost face when a fair di...

    Text Solution

    |