Posted by Adnan on Wednesday, May 22, 2013 at 5:23pm.
A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?

Math 7th Grade  Ms. Sue, Wednesday, May 22, 2013 at 5:26pm
4/11 for the white marble

Math 7th Grade  Adnan, Wednesday, May 22, 2013 at 5:27pm
how?

Math 7th Grade  Ms. Sue, Wednesday, May 22, 2013 at 5:30pm
11 marbles are in the bag, and 4 are white.
http://www.mathsisfun.com/data/probability.html

Math 7th Grade  Adnan, Wednesday, May 22, 2013 at 5:30pm
but the red marble is replaced

Math 7th Grade  Ms. Sue, Wednesday, May 22, 2013 at 5:32pm
That means that the red marble is back in the bag.

Math 7th Grade  Adnan, Wednesday, May 22, 2013 at 5:53pm
no it doesnt
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