Results 1 to 2 of 2

Math Help - Probability

  1. #1
    Newbie
    Joined
    Mar 2009
    Posts
    1

    Probability

    I got a question abt probability and I got no idea how to solve it. Can any1 help me abt it pliz. I have to do it tonight.


    Please, please
    Many thanks in advance





    1)A survey of a groupís viewing habits over the last year revealed the following information:
    (i) 28% watched gymnastics
    (ii) 29% watched baseball
    (iii) 19% watched football
    (iv) 14% watched gymnastics and baseball
    (v) 12% watched baseball and football
    (vi) 10% watched gymnastics and football
    (vii) 8% watched all three sports.


    Calculate the percentage of the group that watched none of the three sports during the last year.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Member
    Joined
    Jan 2009
    Posts
    108
    Quote Originally Posted by guzel_prenses View Post
    1)a survey of a groupís viewing habits over the last year revealed the following information:
    (i) 28% watched gymnastics
    (ii) 29% watched baseball
    (iii) 19% watched football
    (iv) 14% watched gymnastics and baseball
    (v) 12% watched baseball and football
    (vi) 10% watched gymnastics and football
    (vii) 8% watched all three sports.

    Calculate the percentage of the group that watched none of the three sports during the last year.
    Make a Venn diagram of 3 groups. Place 8 in the intersection of all 3 group. Your goal is to put numbers into the intersection of two groups as follows:

    8% watched all three sports, 10% watched gymnastics and football;
    So 2% watched gym and football but not baseball

    then figure the numbers in each group without intersections. finally, subtract the sum of each number from 100 to determine the number who watched no sports.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 10
    Last Post: January 21st 2011, 12:47 PM
  2. Replies: 3
    Last Post: May 29th 2010, 08:29 AM
  3. fundamental in probability & convergence with probability 1
    Posted in the Advanced Statistics Forum
    Replies: 3
    Last Post: February 23rd 2010, 10:58 AM
  4. Replies: 1
    Last Post: February 18th 2010, 02:54 AM
  5. Replies: 3
    Last Post: December 15th 2009, 07:30 AM

Search Tags


/mathhelpforum @mathhelpforum