Home
Class 11
MATHS
Three coins tossed together. Find the pr...

Three coins tossed together. Find the probability of getting: i.                Exactly two heads ii.              At least to heads iii.             At lest one head and one tail.

Text Solution

Verified by Experts

Given: Three coins are tossed simultaneously.
When three coins are tossed then the outcome will be
TTT, THT, TTH, THH. HTT, HHT, HTH, HHH.
Hence total number of outcome is 8.
...
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS

    RD SHARMA|Exercise Solved Examples And Exercises|287 Videos
  • QUADRATIC EQUATIONS

    RD SHARMA|Exercise Solved Examples And Exercises|85 Videos

Similar Questions

Explore conceptually related problems

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

Three coins are tossed once. Find the probability of getting at least one head.

Three different coins are tossed together . Find the probability of getting at least two heads

A coin is tossed two times. Find the probability of getting atmost one head.

Three coins are tossed together. Find the probability of getting: exactly two heads (ii) at least two heads at least one head and one tail (iv) no tails

Three unbiased coins are tossed together. Find the probability of getting: (i)all heads (ii) two heads (iii)one head (iv) at least two heads

Three different coins are tossed together.Find the probability of getting (1) exactly 2 heads (2) atleast 2 heads

If three different coins are tossed together, then find the probability of getting two heads.

RD SHARMA-PROBABILITY-Solved Examples And Exercises
  1. A die is thrown. Find the probability of getting : 2\ or\ 4

    Text Solution

    |

  2. A die is thrown. Find the probability of getting : a multiple of 2 ...

    Text Solution

    |

  3. Three coins tossed together. Find the probability of getting: i.   ...

    Text Solution

    |

  4. What is the probability that an ordinary year that 53 Sundays?

    Text Solution

    |

  5. What is the probability  that a leap year has 53 Sundays and 53 Mond...

    Text Solution

    |

  6. In  a single throw of three dice, find the probability of getting t...

    Text Solution

    |

  7. Two unbiased dice are thrown. Find the probability that the total o...

    Text Solution

    |

  8. In shuffling a pack of 52 playing cards, four are accidently droppe...

    Text Solution

    |

  9. From a deck of 52 cards, four cards are drawn simultaneously find t...

    Text Solution

    |

  10. Tickets numbered from 1 to 20 re mixed up together and then a ticke...

    Text Solution

    |

  11. A bag contains 6 red, 4 white and 8 blue balls. If three balls are ...

    Text Solution

    |

  12. A bag contains 6 red, 4 white and 8 blue balls. If three balls are d...

    Text Solution

    |

  13. A bag contains 6 red, 4 white and 8 blue balls. If three balls are ...

    Text Solution

    |

  14. There are four men and six women on the city councils. If one counc...

    Text Solution

    |

  15. A box contains 100 bulbs 20 of which are defective. 10 bulbs are se...

    Text Solution

    |

  16. Find the probability that in a random arrangement of the letters of...

    Text Solution

    |

  17. The letters of the word FORTUNATES are arranged at random in a row....

    Text Solution

    |

  18. A committee of two persons is selected from two men and two women. W...

    Text Solution

    |

  19. If odds in favour of an event be 2:3 find the probability of occurr...

    Text Solution

    |

  20. Two balls are drawn at random from a bag containing 2 white, 3 red,...

    Text Solution

    |