Home
Class 12
MATHS
An urn contains 4 white and 6 red balls....

An urn contains `4` white and `6` red balls. Four balls are drawn at random from the urn. Find the probability distribution of the number of white balls.

Promotional Banner

Topper's Solved these Questions

  • VERY SIMILAR TEST 9

    ARIHANT PRAKASHAN|Exercise Section C|24 Videos

  • VERY SIMILAR TEST 9

    ARIHANT PRAKASHAN|Exercise Section C|24 Videos

  • VERY SIMILAR TEST 8

    ARIHANT PRAKASHAN|Exercise Section C|25 Videos

Similar Questions

Explore conceptually related problems

A bag contains 7 white and 9 black balls. If a ball is drawn at random, what is the probability that it is white?

A bag contains 5 white, 7 red and 8 black ball. If four balls are drawn one by one without replacement, then find the probability of getting all white balls.

From a lot of 15 bulbs which include 5 defectives, a sample of 2 bulbs is drawn at random (without replacement). Find the probability distribution of the number of defective bulbs.

A bag A contains 2 white and 3 red balls and another bag B contains 4 white and 5 red balls. One ball is drawn at random from a bag chosen at random and it is found to be red. Find the probability that it was drawn from bag B .

There are two bags, bag I and bag II. Bag I contains 2 white and 4 red balls and bag II contains 5 white and 3 red balls. One ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag II.

In bag A, there are 5 white and 8 red balls, in bag B, 7 white and 6 red balls and in bag C, 6 white and 5 red balls. One ball is taken out at random from each bag. Find the probability that all three balls are of the same colour.

ARIHANT PRAKASHAN-VERY SIMILAR TEST 9-Section B
  1. A = [(1, 0), (0, 1)], B = [(1, 0), (0, -1)] and C = [(0, 1), (1, 0)], ...

    Text Solution

    |

  2. Prove that abs[[b+c,c+a,a+b],[q+r,r+p,p+q],[y+z,z+x,x+y]]=2abs[[a,b,c]...

    Text Solution

    |

  3. An urn contains 4 white and 6 red balls. Four balls are drawn at rando...

    Text Solution

    |

  4. Using differentials, find the approximate value of (3.68)^(3//2).

    Text Solution

    |

  5. Prove that: y = (4 sin theta)/(2 +cos theta)- theta is an increasing f...

    Text Solution

    |

  6. If xy log(x + y) = 1, then prove that (dy)/(dx) = -(y(x^(2)y + x +...

    Text Solution

    |

  7. If sin 2x = (2t)/(1 + t^(2)), tan y = (2t)/(1 - t^(2)) then find (dy)/...

    Text Solution

    |

  8. Solve (dy)/(dx) + y = cosx - sinx.

    Text Solution

    |

  9. Find the equation of the curve passing through the point (1, 1) whose ...

    Text Solution

    |

  10. Evaluate int(x^(2))/(x^(4)-x^(2)+12)dx.

    Text Solution

    |

  11. Evaluate the following integrals : Evaluate int(0)^(pi//2)(xsinxcosx...

    Text Solution

    |

  12. Find the area bounded by the curve y = x abs(x), X-axis and ordinates ...

    Text Solution

    |

  13. The plane lx+my=0 is rotated about its line of intersection with the p...

    Text Solution

    |

  14. Find the distance of the plane 2x - 3y + 4z - 6 = 0 from the origin an...

    Text Solution

    |

  15. Prove that |veca xx vecb|^(2) = abs(veca)^(2)abs(vecb)^(2) - (veca * v...

    Text Solution

    |

  16. Find the vector equation of a plane which is at a distance of 6 units ...

    Text Solution

    |

  17. If sin{cot^(-1)(x + 1)} = cos(tan^(-1)x), then find x.

    Text Solution

    |

  18. One kind of cake requires 200 g of flour and 25 g of fat and another k...

    Text Solution

    |

  19. Consider f:R(+) to [-5, oo) given by f(x)=9x^(2)+6x-5. Show that f i...

    Text Solution

    |

  20. Let R be a relation on the set A of ordered pairs of positive integers...

    Text Solution

    |