# SOLUTION: There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probabilit

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probabilit      Log On

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 Question 447415: There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your work. Answer by stanbon(57424)   (Show Source): You can put this solution on YOUR website!There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. ------- Binomial Problem with n = 10 and p = 12/15 = 4/5 ------- P(x = 7) = 10C7(4/5)^7*(1/5)^3 = 0.2013 ================= Cheers, Stan H. =================