SOLUTION: You have a bag with 45 red beads, 30 blue beads, 20 green beads and 5 white beads. If yu draw two beads, (one at a time), the probability that you will draw one white bead and one

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Question 169075: You have a bag with 45 red beads, 30 blue beads, 20 green beads and 5 white beads. If yu draw two beads, (one at a time), the probability that you will draw one white bead and one green bead is:
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
there are 100C2 possible pairs of beads __ (100*99)/(2*1)=4950

there are 5*20 possible white-green pairs __ 5*20=100

so the probability of a white-green pair is 100/4950 or .02 (approx)