Home
Class 12
MATHS
If X is the r.v. having values from samp...

If X is the r.v. having values from sample space S and P (x) is the p.m.f. of X, `x in S`, then

A

`0 lt P (x) le 1," for all "x in S`

B

`0le P(x)lt1," fol all "x in S`

C

`0lt P(x)lt1," for all "x in S`

D

`underset(x_(i)=S)sumP(x)=1`

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

In the p.m.f. of r.v. X Find a

If A and B are two events of sample space S and P(A)!=0 then P(B/A)=

If the p.d.f. of a r.v. X is given as then F(0)=

If S be the sample space and E be the event then P(E)=

If X is a continuous r.v., then the function f(x) is said to p.d.f. of X, if

If A and B are two Mutually Exclusive events in a sample space S such that P(B)=2P(A) and A uu B=S, then P(A)=

Find the expected value and variance of r.v. X whose p.m.f. is given below.

Let f be a function defined from R rarr R as f(x)={ x+p^(2) x 2} If f(x) is surjective function then sum of all possible integral values of p for p in [0 ,10] is

In the following list of English alphabets, one alphabet has not been used. Identify the same. X N F A P S R W L T M D E X M G B C X Q J L O P V R C J Z O H S G O D I P T S M R A B E F G N U N E

NIKITA PUBLICATION-PROBABILITY DISTRIBUTION-MCQs
  1. A random variable is said to be discrete, if

    Text Solution

    |

  2. A random variable is said to be continuous, if

    Text Solution

    |

  3. If X is the r.v. having values from sample space S and P (x) is the p...

    Text Solution

    |

  4. If X is a r.v., then

    Text Solution

    |

  5. If X is a continuous r.v., then the function f(x) is said to p.d.f. of...

    Text Solution

    |

  6. Number of attempts required by a candidate to clear I.A.S. examination...

    Text Solution

    |

  7. Four cars are selected from a showroom. X = Number of cars having di...

    Text Solution

    |

  8. A highway-safety group is interested in studying the speed (in km/hour...

    Text Solution

    |

  9. A page in a book can have at most 300 words. X = Number of misprints o...

    Text Solution

    |

  10. The random variable X is the amount of syrup prescript by a physician....

    Text Solution

    |

  11. Number of floors in a building. Then the random variable is

    Text Solution

    |

  12. 20 white rats are available for an experiment. Twelve rats are males a...

    Text Solution

    |

  13. A sample of 10 batteries is selected X = Number of batteries that fail...

    Text Solution

    |

  14. Number of students present in a class of 50 students Then the random...

    Text Solution

    |

  15. A social worker is interested in knowing the number of illiterates in ...

    Text Solution

    |

  16. A person on a high protein diet is interested in the random variable X...

    Text Solution

    |

  17. If a RV X="Height of a sky scrapper" Then the random variable is

    Text Solution

    |

  18. An economist is interested in the random variable X, the number of une...

    Text Solution

    |

  19. A player goes to gymnasium ragularly. X = Reduction in his weight in a...

    Text Solution

    |

  20. A quality control manager notes down the life times of 10 electronic c...

    Text Solution

    |