Posted by Thomas on Friday, May 21, 2010 at 4:37pm.
The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a blue marble?

algebra 2  Reiny, Friday, May 21, 2010 at 4:42pm
that would simply be 2/11 x 2/11 = 4/121

algebra 2  Logan, Saturday, February 25, 2012 at 11:11am
Rami draws a chip from the bag without looking. He keeps the chip and then draws antoher one from the bag. What is the probability that both chips are blue? 3 yellow, 2 brown, 5 green, 4 blue, an 2 red.
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