Home
Class 12
MATHS
Find the variance of the number obtained...

Find the variance of the number obtained on a throw of an unbiased die.

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MODERN PUBLICATION|Exercise EXERCISE|232 Videos
  • MOCK TEST-2

    MODERN PUBLICATION|Exercise EXERCISE|36 Videos

Similar Questions

Explore conceptually related problems

Find the mean and variance of the number obtained on a throw of an unbiased die.

Find the mean and variance of the number of tails on the throw of three coins.

Calcuate the mean variance and standard deviation of a number obtained as a result of throwing. an unbiased die.

Find the mean and variance of the number of heads on the throw of three coins.

The expected value of the number of points, obtained in a single throw of die, is

A dice is thrown thrice. Find the mean and variance of the number of times a 'six' is obtained.

MODERN PUBLICATION-MOCK TEST-1-EXERCISE
  1. Prove that : tan^-1((cosx)/(1+sinx)) = pi/4 - x/2, x in (-pi/2,pi/2)

    Text Solution

    |

  2. Show that if A = [[cos theta, sin theta],[-sin theta, cos theta]], th...

    Text Solution

    |

  3. Using the properties of determinant, show that :|[a^2+1,ab,ac],[ab,b^2...

    Text Solution

    |

  4. The funtion f(x) is defined as follows: f(x) = {:{(x^2+ax+b,0lex<2),...

    Text Solution

    |

  5. Evalute : int(5x+3)/sqrt(x^2+4x+10)dx

    Text Solution

    |

  6. By using the properties of definite integrals, evaluate the integral: ...

    Text Solution

    |

  7. Solve: dy/dx+(2x)/(x^2+1)y=1/(x^2+1)^2, y(0)=0.

    Text Solution

    |

  8. Find the shortest distance between the lines: vecr=6hati+2hatj+2hatk+l...

    Text Solution

    |

  9. Find the equation of the plane passing through the intersection of the...

    Text Solution

    |

  10. A problem in Mathematics is given the three students whose chances of ...

    Text Solution

    |

  11. A problem in Mathematics is given the three students whose chances of ...

    Text Solution

    |

  12. If A and B are subsets of the universal set U, then show that A⊂ A∪ B...

    Text Solution

    |

  13. Is ∗ defined on the set {1, 2, 3, 4, 5} by a * b = L.C.M. of a and b ...

    Text Solution

    |

  14. If X= {1, 2, 3}, if n represents any member of X, write the following ...

    Text Solution

    |

  15. Find the area of the smaller region bounded by the ellipse x^2/a^2 + y...

    Text Solution

    |

  16. Simplify : [veca-vecb,vecb-vecc,vecc-veca].

    Text Solution

    |

  17. If veca,vecb,vecc are three vectors such that vecaxxvecb=vecc,vecbxxve...

    Text Solution

    |

  18. Convert the following measurements into mL. 0.75 liters

    Text Solution

    |

  19. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

    Text Solution

    |

  20. Find the variance of the number obtained on a throw of an unbiased die...

    Text Solution

    |