Results 1 to 2 of 2

Math Help - Probability - help needed

  1. #1
    Newbie
    Joined
    Nov 2009
    Posts
    11

    Probability - help needed

    Q-1) Two balanced dice are rolled . what is the probability that the sum of dots is a multiple of 5 ?

    Q-2) Three fair coins are tossed . what is the probability of getting exactly one head ?
    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 raza9990 View Post
    Q-1) Two balanced dice are rolled . what is the probability that the sum of dots is a multiple of 5 ?

    Q-2) Three fair coins are tossed . what is the probability of getting exactly one head ?
    Q1 Use the dice table here: Dice table

    Q2 X ~ Binomial(n = 3, p = 1/2). Calculate Pr(X = 1).
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Probability Density Function needed
    Posted in the Advanced Statistics Forum
    Replies: 11
    Last Post: May 26th 2010, 05:24 AM
  2. Probability help needed:
    Posted in the Statistics Forum
    Replies: 1
    Last Post: May 20th 2010, 04:18 AM
  3. probability problem help needed?!?!?
    Posted in the Statistics Forum
    Replies: 1
    Last Post: June 15th 2009, 06:28 AM
  4. Disecrete Probability Distributions Help Needed
    Posted in the Advanced Statistics Forum
    Replies: 2
    Last Post: April 2nd 2008, 08:25 PM
  5. Help needed please! probability distributions
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: December 18th 2006, 03:17 PM

Search Tags


/mathhelpforum @mathhelpforum