Homework Help: math

Posted by Diana on Tuesday, January 4, 2011 at 12:58pm.

Suppose that a ball is drawn at random from the box (a), its color is recorded, and then the ball is put back in the box. Draw a tree diagram for this experiment and find the probability that the two balls are of different colors.

math - Diana, Tuesday, January 4, 2011 at 1:29pm
Assuming the probability is that a child is a boy and births are independent. What is the probability that if a family will have four children (no twins), they will all be boys?

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