Home
Class 12
MATHS
A coin is tossed 7 times. Then the proba...

A coin is tossed 7 times. Then the probability that at least 4 consective heads apear is

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    CENGAGE PUBLICATION|Exercise Sovled Examples|22 Videos

  • PROBABILITY I

    CENGAGE PUBLICATION|Exercise JEE Advanced|7 Videos

Similar Questions

Explore conceptually related problems

A fair coin is tossed 10 times. Then the probability that two heads do not occur consecutively is 7//64 b. 1//8 c. 9//16 d. 9//64

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

If a fair is tossed 10 times, find the probability of at least six heads.

A coin is tossed n times. The probability of getting head at least once is more than 0.8 , then the value of n is

A fair coin is tossed n times. The probability of getting head at least once is greater than 0.8. Then the least value of n is -

If a fair coin is tossed thrice find the probability that there are at least one head

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

If a coin is tossed n times, then find the probability that the head appears odd number of times.

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

A fair coin is tossed n times. if the probability that head occurs 6 times is equal to the probability that head occurs 8 times, then find the value of ndot

CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. Two cards are drawn at random and without replacement from a pack of 5...

    Text Solution

    |

  2. The sum of two positive quantities is equal to 2ndot the probability t...

    Text Solution

    |

  3. A coin is tossed 7 times. Then the probability that at least 4 consect...

    Text Solution

    |

  4. There are two urns A and B. Urn A contains 5 red, 4 blue, and 2 white ...

    Text Solution

    |

  5. An unbiased coin is tossed 6 times. The probability that third head ap...

    Text Solution

    |

  6. Let A and B be two independent events. The probability of their sim...

    Text Solution

    |

  7. In a certain city, only 2 newspapers A and B are published. It is know...

    Text Solution

    |

  8. A card is drawn at random from a well-shuffled pack of 52 cards. Fi...

    Text Solution

    |

  9. Let A ,B ,C be three events such that P(A)=0. 3 , P(B)=0. 4 ,P(C)=0. 8...

    Text Solution

    |

  10. 20 teachers of a school either teach mathematics or physics. 12 of the...

    Text Solution

    |

  11. Three ships A ,B ,a n dC sail from England to India. If the ratio of ...

    Text Solution

    |

  12. 6 boys and 6 girls sit in row at random. the probability that all t...

    Text Solution

    |

  13. A bag contains some white and some black balls, all combinations of ba...

    Text Solution

    |

  14. In a multiple choice question, there are four alternative answers of ...

    Text Solution

    |

  15. Two unbiased dice are thrown. What is the probability that the sum of ...

    Text Solution

    |

  16. A fair coin is tossed 100 times. The probability of getting tails 1, 3...

    Text Solution

    |

  17. Three player A, B and C, toss a coin cyclically in that order (that i...

    Text Solution

    |

  18. One Indian and four American men and their wives are to be seated rand...

    Text Solution

    |

  19. A pair of unbiased dice are rolled together till a sum of either 5 or ...

    Text Solution

    |

  20. Consider the system of linear equation ax+by=0, cx+dy=0, a, b, c, d in...

    Text Solution

    |