Results 1 to 3 of 3

Math Help - Probability (help please!)

  1. #1
    Junior Member
    Joined
    Jul 2012
    From
    United States
    Posts
    26

    Probability (help please!)

    I'm going over stuff for the final, but I can't figure out how they did this...

    I tried hypergeometric distribution, but my answer was way off from the answer key... !

    [img]http://i47.tinypic.com/2h2dsuf.png[/img]

    Thank you...
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,617
    Thanks
    1581
    Awards
    1

    Re: Probability (help please!)

    Quote Originally Posted by PennCow View Post
    I'm going over stuff for the final, but I can't figure out how they did this...

    I tried hypergeometric distribution, but my answer was way off from the answer key.
    [img]http://i47.tinypic.com/2h2dsuf.png[/img]
    \frac{\binom{7}{4}\binom{11}{1}}{\binom{18}{5}}=0.  044934640522876
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Junior Member
    Joined
    Jul 2012
    From
    United States
    Posts
    26

    Re: Probability (help please!)

    Oh... it was just that ? I added it over like 4 times... I need to look at my formula sheet again. Thank you so much!!!!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: July 11th 2012, 05:42 AM
  2. Replies: 10
    Last Post: January 21st 2011, 11:47 AM
  3. Replies: 3
    Last Post: May 29th 2010, 07:29 AM
  4. Replies: 1
    Last Post: February 18th 2010, 01:54 AM
  5. Replies: 3
    Last Post: December 15th 2009, 06:30 AM

Search Tags


/mathhelpforum @mathhelpforum