Results 1 to 2 of 2

Math Help - easy probability question

  1. #1
    Newbie
    Joined
    Dec 2008
    Posts
    19

    easy probability question

    A certain airplane holds 184 passengers. The rate of passengers' no-show is 9% and they sell 201 tickets. Is it likely that they will not have enough seats. It seems easy but i'm stuck
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Flow Master
    mr fantastic's Avatar
    Joined
    Dec 2007
    From
    Zeitgeist
    Posts
    16,948
    Thanks
    5
    Quote Originally Posted by anna12345 View Post
    A certain airplane holds 184 passengers. The rate of passengers' no-show is 9% and they sell 201 tickets. Is it likely that they will not have enough seats. It seems easy but i'm stuck
    Let X be the random variable "number of passengers who show up".

    X ~ Binomial(n = 201, p = 0.91). Calculate \Pr(X \geq 185) and draw a conclusion.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. [SOLVED] Easy Probability Question
    Posted in the Statistics Forum
    Replies: 2
    Last Post: November 22nd 2010, 03:26 PM
  2. Easy probability question
    Posted in the Statistics Forum
    Replies: 3
    Last Post: September 29th 2010, 07:18 PM
  3. Probability question...easy?
    Posted in the Statistics Forum
    Replies: 3
    Last Post: April 9th 2008, 07:47 PM
  4. Easy probability question.
    Posted in the Advanced Statistics Forum
    Replies: 3
    Last Post: January 14th 2008, 06:13 PM
  5. easy probability question
    Posted in the Advanced Statistics Forum
    Replies: 6
    Last Post: March 22nd 2007, 01:11 PM

Search Tags


/mathhelpforum @mathhelpforum