SOLUTION: a bag contains 6 red cubes and 6 blue cubes. If the first cube is randomly picked and put back, what is the probability that both cubes are red?

Question 620836: a bag contains 6 red cubes and 6 blue cubes. If the first cube is randomly picked and put back, what is the probability that both cubes are red?
Answer by math-vortex(648) (Show Source): You can put this solution on YOUR website!
Hi, there--
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You have a bag with 12 cubes; 6 of them are red. The probability of getting a red cube on the first draw is 6/12, or 1/2.
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You replace the cube, so the probability is the same on the second draw, 6/12, or 1/2.
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So the probability of drawing two red cubes, with replacement, is (1/2)*(1/2)=1/4.
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Hope this helps! Feel free to email if you still have questions about this.
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Ms. Figgy
math.in.the.vortex@gmail.com
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