Home
Class 12
MATHS
An economist is interested in the random...

An economist is interested in the random variable X, the number of unemployed graduates in a town of population 1 lakh.
Then the random variable is

A

discrete

B

continuous

C

not continuous

D

not discrete

Text Solution

Verified by Experts

The correct Answer is:
A, C
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

Discrete random variable

Mean of a discrete random variable

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

Variance of a discrete random variable

A person on a high protein diet is interested in the random variable X, the gain in weight in a week. Then the random variable is

Let a pair of dice he rolled thrice and the random variable X be the number of doublets. Find the mean of the random variable.

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

Number of attempts required by a candidate to clear I.A.S. examination. Then the random variable is

A random variable is said to be continuous, if

Number of students present in a class of 50 students Then the random variable is

NIKITA PUBLICATION-PROBABILITY DISTRIBUTION-MCQs
  1. A person on a high protein diet is interested in the random variable X...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |