Home
Class 12
MATHS
A random variable X has the following pr...

A random variable X has the following prob- ability distribution

i. Find the value of k.
ii. Find P(`1 lt X lt 4`).
ii. Find the mean of the random variable X.

Text Solution

Verified by Experts

The correct Answer is:
3.66
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO NCERT TEXT BOOK EXERCISE 13.1|17 Videos

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO NCERT TEXT BOOK EXERCISE 13.2|18 Videos

  • PRINCIPLES OF MATHEMATICAL INDUCTION

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|4 Videos

  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos

Similar Questions

Explore conceptually related problems

A random variable X has the following probability mass function Find k

A random variable X has the following probability distribution Then P(1lexle4) is

A random variable X has the following probability mass function.Find the value of K

A random variable x has the following probability distribution Then P(1leXle2) is

A random variable X has the following probability mass function Find (i) the value of k (ii) P(2 lt= X lt 5) " (iii)" P(3 lt X )

A random variable X has the following probability distribution. i. k, ii. P( X lt 3 ) iii. P( Xgt6 ) iv. (P( 0lt X lt 3 )

A random variable X has the following probability distribution. i. k ii. P(X lt 3) iii. P (0 lt X lt 5)

If X is a random variable with the following distribution then k is

The probability distribution of a randoin variable X is given below i. Find k. ii. Find the variance of the random variable

A discrete random variable X has probability mass function P(x) then

NEW JOYTHI PUBLICATION-PROBABILITY-QUESTIONS FROM COMPETITIVE EXAMS
  1. A random variable X has the following prob- ability distribution ...

    Text Solution

    |

  2. In a non-leap year the probability of getting 53 Sundays or 53 Tuesda...

    Text Solution

    |

  3. The probability for a randomly chosen month to have its 10^(th) day a...

    Text Solution

    |

  4. The probability that in a family of 5 members, exactly 2 members have ...

    Text Solution

    |

  5. Two numbers a and b are chosen at random from the set of first 30 nat...

    Text Solution

    |

  6. If three natural numbers from 1 to 100 are selected randomly then pro...

    Text Solution

    |

  7. If A and B are any two events, then P(A cap B')=

    Text Solution

    |

  8. A complete cycle of a traffic light takes 60 seconds. During each cyc...

    Text Solution

    |

  9. If A and B are mutually exclusive events and if P(B)=(1)/(3), P(A cup...

    Text Solution

    |

  10. If two numbers p and q are chosen randomly from the set {1, 2, 3, 4} ...

    Text Solution

    |

  11. A die is rolled three times. The probability that the sum of three nu...

    Text Solution

    |

  12. Five dice are tossed. What is the probability that the five numbers s...

    Text Solution

    |

  13. If two dice are thrown simultaneously, then the probability that the ...

    Text Solution

    |

  14. Let A and B be two events such that P(A cup B) = P(A) + P(B) - P(A)P(...

    Text Solution

    |

  15. A and B are events such that P(A cip B)= (3)/(4), P(A cap B)= (1)/(4...

    Text Solution

    |

  16. Events A, B, C are mutually exclusive events such that P(A) = (3x +1...

    Text Solution

    |

  17. Five horses are in a race. Mr. A selects two of the horses at random ...

    Text Solution

    |

  18. Three houses are available in a locality. Three persons apply for the...

    Text Solution

    |

  19. A die is thrown. Let A be the event thatthe number obtained is greater...

    Text Solution

    |

  20. An urn contains nine balls of which three are red, four are blue and ...

    Text Solution

    |

  21. Four numbers are chosen at random (without replacement) from the set...

    Text Solution

    |