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Mathematics 8 Online
OpenStudy (anonymous):

There are five red balls and five blue balls in a bag. When a red ball is removed it is always replaced. When a blue ball is removed a coin is flipped. If heads appears the ball is not replaced. If tails appears, then 2 blue ones are placed into the bag. What is the probability that first three balls drawn are the same colour? I know the P(RRR) = .125 I cannot understand the process to get the blue.

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