SOLUTION: 3 red 3 yellow 3 green and 3 white marbles what is the probability of picking the 3 red before you pick 3 of any other color 10 times in a row then 20 times in a row is there any

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Question 1172628: 3 red 3 yellow 3 green and 3 white marbles what is the probability of picking the 3 red before you pick 3 of any other color 10 times in a row then 20 times in a row is there anyine out there that can answer this thank you
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

12 marbles:  3R, 3Y, 3G, 3W

P(PICKING A RED) = 3/12 = 1/4

(WITH REPLACEMENT) 10 TIMES IN A ROW

(1/4)^10  | (1/4)(1/4)(1/4)(1/4)(1/4)(1/4)(1/4)(1/4)(1/4)(1/4)

(WITH REPLACEMENT) 20 TIMES IN A ROW

(1/4)^20

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