Home
Class 12
MATHS
If P(X=x)={{:((x^(2))/(5)","x=0","1","2)...

If `P(X=x)={{:((x^(2))/(5)","x=0","1","2),(0","" otherwise"):},"then"`

A

`underset(x_(i)=S)sumP(X=x)ne1`

B

`underset(x_(i)=S)sumP(X=x)=2`

C

f is not a p.m.f.

D

f is a p.m.f.

Text Solution

Verified by Experts

The correct Answer is:
D
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

If P(X=x)={{:((x-1)/(3)","x=1","2","3),(0", otherwise"):},"then"

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) =

Verify whether the following functions can be regarded as the p.m.f for the given value of X : (1) P(X =x) ={:{(,(x^(2))/(5),x=0","1","2),(,0,"otherwise"):} (2) P(X = x) {{:(,(x-2)/(5),x=1","2","3","4),(,0,"otherwise"):}

The p.m.f. of a r.v. X is P(x)={{:((1)/(15)","x=1","2","…","15),(0", otherwise"):} , then E (X) =

The p.m.f. of a r.v. X is P(x)={{:((1)/(15)","x=1","2","…","15),(0", otherwise"):} , then Var (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)={{:((2x)/(n(n+1))","x=1","2","...","n),(0", otherwise"):} , then Var (X) =

It is known that error in experiment of reaction temperature ("in """^(@)"C") in a certain experiment is a continuous r.v. (X). If f(x)={{:((x^(2))/(3)","-1ltxlt2),(0", otherwise"):} , then P(0ltXle1) =

The p.m.f. of a r.v. is P(X=x)={{:((1)/(2^(5))""^(5)C_(x)","x=0","1","...","5),(0", otherwise"):},"then"

NIKITA PUBLICATION-PROBABILITY DISTRIBUTION-MCQs
  1. A quality control manager notes down the life times of 10 electronic c...

    Text Solution

    |

  2. If P(X=x)=(x-5)/(4),x=5.5,6.5,7.5, then

    Text Solution

    |

  3. If P(X=x)={{:((x^(2))/(5)","x=0","1","2),(0","" otherwise"):},"then"

    Text Solution

    |

  4. If P(X=x)={{:((x-1)/(3)","x=1","2","3),(0", otherwise"):},"then"

    Text Solution

    |

  5. A fair die is thrown once. The probability distribution of the number ...

    Text Solution

    |

  6. Obtain the probobility distribution of the number of sixes in two toss...

    Text Solution

    |

  7. Two fair dice are thrown. The probability distribution of the sum of ...

    Text Solution

    |

  8. Two fair dice are thrown. If X denotes the sum of the numbers appearin...

    Text Solution

    |

  9. It is know that a box of 8 batteries contains 3 defective pieces an...

    Text Solution

    |

  10. Three balance coins are tossed simultaneoulsy. If X denotes the number...

    Text Solution

    |

  11. Find k ,such that the function P(x)={{:(k({:(4),(x):}),,x=0","1"...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. The probability distribution of X is Then P("X is positive") =

    Text Solution

    |

  16. A fair coin is tossed 4 times. If X denotes the number of heads obtain...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |