What is the probability that the experiment stops

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Reference no: EM131827008

A box contains R red balls and B blue balls. An experiment is conducted with the balls as follows. A ball is randomly selected from the box, its color is noted and the ball is put back into the box. The process is repeated until a blue ball is selected.

a. What is the probability that the experiment stops after exactly n trials?

b. What is the probability that the experiment requires at least k trials before it stops?

Reference no: EM131827008

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