Results 1 to 2 of 2

Thread: possibility of seating

  1. #1
    Junior Member
    Joined
    Oct 2018
    From
    Turkey
    Posts
    27

    possibility of seating

    there are 10 people sitting in a room. 3 are friends. what is the posibility of 1 of the friends coming out of the room and then the next friend?
    Last edited by ketanco; Nov 19th 2018 at 12:13 AM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Nov 2013
    From
    California
    Posts
    6,542
    Thanks
    2882

    Re: possibility of seating

    $P[\text{2 friends are first two out of room}] = \dfrac{3}{10}\dfrac{2}{9} = \dfrac{6}{90}=\dfrac{1}{15}$
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. The arithmetic of possibility of continuity
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: Nov 19th 2011, 05:52 AM
  2. production possibility table
    Posted in the Business Math Forum
    Replies: 0
    Last Post: Jan 29th 2011, 01:42 AM

/mathhelpforum @mathhelpforum