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

A random variable X has the following distribution
`{:(x_(1):,0,1,2,3),(P(X=x_(1)):,2k^(2),3k^(2),5k^2,6k^(2)):}`
Then value of k and its mean are

A

`pm 1//4, 31//16`

B

`-1//7, 30//26`

C

`1//2, 25//15`

D

`1//8, 35//16`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -1)|4 Videos

  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -2)|3 Videos

  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -4)|5 Videos

  • THE PLANE

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET 4|4 Videos

  • THEORY OF EQUATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise SET - 4|4 Videos

Similar Questions

Explore conceptually related problems

A random variable X has the following distribution {:(x:,1,2,3,4),(P(X=x):,k^(2),3k^(2),5k^(2),7k^(2)):} The value of k is

A random variable X has the following distribution {:(X=x_(1):,-2,-1,0,1,2,3),(P(X=x_(1)):,0.1,k,0.2,2k,0.3,k):} The value of k and its mean and variance are

A random variable X has the following distribution {:(X=x_(1):,1,2,3,4),(P(X=x_(1)):,k,2k,3k,4k):} The value of k and P(X lt 3) are equal to

A random variable X follows the following distribution {:(X=x_(i):,0,1,2,3),(P(X=x_(i)):,2//6,3//6,0//6,1//6,):} The mean and the variance are

A random variable X has the following distribution {:(x:,1,2,3,4),(P(X=x):,0.1,0.2,0.3,0.4):} Then its mean is

X is a random variable with distribution given below {:(x:,0,1,2,3),(P(X=x):,k,3k,3k,k):} The value of k and its variance are

A random variable has the following distribution. {:(x=x_(i),,-3,,-2,,-1,,0,,1,,2),(P(x=x_(i)),,0.1,,2K,,3K,,7K,,0.2,,0.1):} Then for the values, A = K, B = Mean, C = Variance, the ascending order is

A random variable X has the probability distribution given below. Its variance is {:(X,1,2,3,4,5),(P(X=x)k,2k,3k,2k,k,):}

A random variable X has the following probability distribution: {:(X=x,P(X=x)),(0,0),(1,k),(2,2k),(3,2k),(4,3k),(5,k^2),(6,2k^2),(7,7k^2+k):} Find the mean

A random variable X has the following probability distribution: {:(X=x,P(X=x)),(0,0),(1,k),(2,2k),(3,2k),(4,3k),(5,k^2),(6,2k^2),(7,7k^2+k):} Find k

DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
  1. A random variable X has its range {1,2,3}. If P(X=1)=1//6, P(X=2)=1//3...

    Text Solution

    |

  2. The probability distribution of a random variable X is given below. Th...

    Text Solution

    |

  3. A random variable X has the following distribution {:(x(1):,0,1,2,3)...

    Text Solution

    |

  4. The probability distribution of a random variable X is given by {:(X...

    Text Solution

    |

  5. The probability distribution of a random variable X is given below: ...

    Text Solution

    |

  6. If m and sigma^(2) are the mean and variance of the random variable X,...

    Text Solution

    |

  7. X is a random variable with distribution given below {:(x:,0,1,2,3),...

    Text Solution

    |

  8. A random variable X has the probability distribution given below. Its ...

    Text Solution

    |

  9. A random variable X follows the following distribution {:(X=x(i):,0,...

    Text Solution

    |

  10. A random variable X has the following distribution {:(X=x(1):,-2,-1,...

    Text Solution

    |

  11. A random variable X has the following distribution {:(x,:-3,-2,-1,0,...

    Text Solution

    |

  12. The random variable takes the values 1,2,3,…….m. If P(X=n)=(1)/(m) to ...

    Text Solution

    |

  13. A randomm variable X takes the value -1,0,1. It's mean is 0.6. If (X=0...

    Text Solution

    |

  14. Let X denote the profit of a business man. The probability of getting ...

    Text Solution

    |

  15. For a dealer in a consignment of umbrellas , the probabilty of getting...

    Text Solution

    |

  16. A box contains 6 tickets. Two of the tickets carry a price of Rs. 5//-...

    Text Solution

    |

  17. A random variable X has the probability distribution: {:(X:,1,2,3,4,...

    Text Solution

    |

  18. The probability of getting exactly 2 heads when tossing 7 coins is

    Text Solution

    |

  19. A coin is tossed 3 times. The probability of getting head once and tai...

    Text Solution

    |

  20. If X is the number of heads getting when five coins are tossed, then m...

    Text Solution

    |