Home
Class 11
MATHS
A unbiased coin tossed three times. Find...

A unbiased coin tossed three times. Find the probability of getting 1 head

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 11

    UNITED BOOK HOUSE|Exercise EXERCISE|46 Videos
  • MODEL QUESTION PAPERS-SET 13

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos

Similar Questions

Explore conceptually related problems

An unbiased coin is toosed 7 times. Find the probability of getting an least 6 heads by binomial distribution.

Eight unbiased coins tossed simultaneously. Find the probability of getting exactly five heads and at least five heads.

answer any one question : 2.eight unbiased coins tossed . Find the probability of getting exactly five heads

An unbaised coin is tossed two times, the probability of getting ‘head’ in both case will be.

An unbiased coin is tossed 6 times. Find the probability of at least five heads by binomial distribution.

If an unbiased coin is tossed 7 times, find the probability of obtaining 4 'Hence and 3 'Tails'.

An unbiased coin is tossed 3 times in succession, the probability of getting exactly one head is -

Two unbiased coins are tossed one time. Find the probability of occuring two tails?

Six coins are tossed simultaneously. Find the probability of getting 3 heads.

A coin is tossed n times. Find the probability of odd numbers of heads.

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 12-EXERCISE
  1. If y=xe^x,show that xdy/dx=(1+x)y.

    Text Solution

    |

  2. f(x)=x^2+ax,when 0lexle1 and f(x)=3-bx^2,when 1lexle2 if limxrarr1f(x...

    Text Solution

    |

  3. A unbiased coin tossed three times. Find the probability of getting 1 ...

    Text Solution

    |

  4. If the variance of a distribution is 4 coefficient of variation is 5%,...

    Text Solution

    |

  5. For any two sets, show that (A cap B) cup (A - B)= A.

    Text Solution

    |

  6. If tan^2 alpha = 1 + 2 tan^2 beta, show that cos2 beta = 1 + 2cos 2alp...

    Text Solution

    |

  7. Solve :sin x 4 cos x = sin 2x 4 cos 2x.

    Text Solution

    |

  8. Prove by mathematical induction, 1+1/4+1/9+...+1/n^2<2-1/nwhen n ge 2,...

    Text Solution

    |

  9. If arg ((z-1)/(z+1))=pi/4,, then show that in complex plane, the locus...

    Text Solution

    |

  10. Find the term independent of x of the expansion of (1+x)^3(x-1/x)^6

    Text Solution

    |

  11. If pth, qth and rth terms of on AP are a. b and c, then show that a(q...

    Text Solution

    |

  12. A straight line form a right angled triangle with the axes. If the len...

    Text Solution

    |

  13. If the co-ordinate of vertices of a triangle are (10, 4), (-4, 9) and ...

    Text Solution

    |

  14. Find the co-ordinate of a point on the circle x^2 +y^2 - 4x + 2y - 20...

    Text Solution

    |

  15. The co-ordinate of the vertices of a triangle are A(0, 2, -3), B(- 2,...

    Text Solution

    |

  16. Differentiate x+1/x(x!=0)at x = 1, with respect to x, with the help of...

    Text Solution

    |

  17. Evaluate : lim(xrarr0)sin(x^2+4x)/(x^3-5x^2+2x)

    Text Solution

    |

  18. ‘If p' and q are rational numbers, then pq is also rational convert t...

    Text Solution

    |

  19. ‘Square of a whole number is positive or negative’-find the validity o...

    Text Solution

    |

  20. If two numbers a and b are-chosen at random from the 1st 30 natural nu...

    Text Solution

    |