Home
Class 11
MATHS
The p.d.f. of a r.v. X is f(x)={{:((1)/(...

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

A

`1/x-1`

B

`1-1/x`

C

`x+1/x`

D

`x-1/x`

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

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

The p.d.f. of a r.v. X is f(x)={{:((1)/(x^(2))","1ltxltoo),(0", otherwise"):} . If C_(1)={x : 1lt x lt 2}" and "C_(2)={x : 4lt x lt 5} , then P(C_(1)uuC_(2)) =

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 P((1)/(4)ltxlt(1)/(3)) =

The p.d.f. of a r.v. X is f_(X)(x)={{:((k)/(sqrt(x))","0ltxlt4),(0", otherwise"):} , then k =

The p.d.f. of a r.v. X is f_(X)(x)={{:(kx(1-x)","0ltXlt1),(0", otherwise"):} , then k =

If f(x)={{:((e^(-x)","0ltxltoo),(0", otherwise"):} , then

The p.d.f. of a r.v. X is f_(X)(x)={{:((k)/(sqrt(x))","0ltxlt4),(0", otherwise"):} , then P(X ge 1) =

The p.d.f. of a continuous r.v. X is f(x)={{:((x)/(8)","0ltxlt4),(0", otherwise"):} , then F (1.7) =

The p.d.f. of a r.v. X is f_(X)(x)={{:((k)/(sqrt(x))","0ltxlt4),(0", otherwise"):} , then P(Xle2) =

MARVEL PUBLICATION-PROBABILITY DISTRIBUTIONS-MCQs
  1. The p.d.f. of X is f(x)={{:((x+2)/(18)","-2ltxlt4),(0", otherwise"):},...

    Text Solution

    |

  2. Given : f(x)={(1/(x^2)","1ltxltoo,),(0",",elsewhere):}is p.d.f. of c.r...

    Text Solution

    |

  3. The p.d.f. of a r.v. X is f(x)={{:((1)/(x^(2))","1ltxltoo),(0", otherw...

    Text Solution

    |

  4. The p.d.f of a random variable X is given by f(x) = 3(1-2x^(2)), 0 lt...

    Text Solution

    |

  5. Given the p.d.f of a continous r.v.X was f(x) = (x^(2))/(3), - 1 l...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. The pdf of a curve X is f(x)={{:(k/sqrtx","0ltxlt4),(0","xle0" or "x...

    Text Solution

    |

  9. If the p.d.f of a c.r.v X is f(x) =(3+2x)/(18), 2le x le4 =0 .. Othe...

    Text Solution

    |

  10. If the p.d.f. of a r.v. X is f(x)= K.e^(- theta x), theta gt 0 , 0 l...

    Text Solution

    |

  11. If p.d.f. of a a c.r.v. X is f(x) = ae^(-ax) , x ge 0, a gt 0 = 0 ...

    Text Solution

    |

  12. The time (X) one has to wait for a bus at a downtown bus -stop has t...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |