Home
Class 12
MATHS
A coin is tossed 4 times i. Find the ...

A coin is tossed 4 times
i. Find the probability of getting exactly 3 heads
ii. Find the probability of getting atleast 3 heads
iii. Find the probaility of getting utmost 3 heads

Text Solution

Verified by Experts

The correct Answer is:
i. `(1)/(4)`, ii. `(5)/(16)` and iii. `(15)/(16)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO NCERT TEXT BOOK EXERCISE 13.1|17 Videos

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO NCERT TEXT BOOK EXERCISE 13.2|18 Videos

  • PRINCIPLES OF MATHEMATICAL INDUCTION

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|4 Videos

  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos

Similar Questions

Explore conceptually related problems

A coin is tossed 3 times. The probability of getting exactly 2 heads is ________.

A coin is tossed twice. What is the probability of getting exactly one head ?

Three coins are tossed together. Find the probability of getting exactly two heads.

A die is thrown 4 times. Find the probability of getting at most two 6.

It a fair coin is tossed 6 times, what is the probability of getting at least 3 heads?

10 coins are tossed simultaneously. Find the probability of getting atleast 2 tails.

Fird the probability of getting a head when a coin is tossed once. Also find the probability of getting a tail.

A coin is tossed thrice. Find the probability of getting exactly two heads or atleast one tail or two consecutive heads.

NEW JOYTHI PUBLICATION-PROBABILITY-QUESTIONS FROM COMPETITIVE EXAMS
  1. A coin is tossed 4 times i. Find the probability of getting exactly...

    Text Solution

    |

  2. In a non-leap year the probability of getting 53 Sundays or 53 Tuesda...

    Text Solution

    |

  3. The probability for a randomly chosen month to have its 10^(th) day a...

    Text Solution

    |

  4. The probability that in a family of 5 members, exactly 2 members have ...

    Text Solution

    |

  5. Two numbers a and b are chosen at random from the set of first 30 nat...

    Text Solution

    |

  6. If three natural numbers from 1 to 100 are selected randomly then pro...

    Text Solution

    |

  7. If A and B are any two events, then P(A cap B')=

    Text Solution

    |

  8. A complete cycle of a traffic light takes 60 seconds. During each cyc...

    Text Solution

    |

  9. If A and B are mutually exclusive events and if P(B)=(1)/(3), P(A cup...

    Text Solution

    |

  10. If two numbers p and q are chosen randomly from the set {1, 2, 3, 4} ...

    Text Solution

    |

  11. A die is rolled three times. The probability that the sum of three nu...

    Text Solution

    |

  12. Five dice are tossed. What is the probability that the five numbers s...

    Text Solution

    |

  13. If two dice are thrown simultaneously, then the probability that the ...

    Text Solution

    |

  14. Let A and B be two events such that P(A cup B) = P(A) + P(B) - P(A)P(...

    Text Solution

    |

  15. A and B are events such that P(A cip B)= (3)/(4), P(A cap B)= (1)/(4...

    Text Solution

    |

  16. Events A, B, C are mutually exclusive events such that P(A) = (3x +1...

    Text Solution

    |

  17. Five horses are in a race. Mr. A selects two of the horses at random ...

    Text Solution

    |

  18. Three houses are available in a locality. Three persons apply for the...

    Text Solution

    |

  19. A die is thrown. Let A be the event thatthe number obtained is greater...

    Text Solution

    |

  20. An urn contains nine balls of which three are red, four are blue and ...

    Text Solution

    |

  21. Four numbers are chosen at random (without replacement) from the set...

    Text Solution

    |