# SOLUTION: There are 4 red, 4 white, 4 blue and 4 yellow balls in a bag (a total of 16 balls). They are picked at random. How many times you have to pick the balls (one at a time) so that you

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: There are 4 red, 4 white, 4 blue and 4 yellow balls in a bag (a total of 16 balls). They are picked at random. How many times you have to pick the balls (one at a time) so that you      Log On

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 Question 106873: There are 4 red, 4 white, 4 blue and 4 yellow balls in a bag (a total of 16 balls). They are picked at random. How many times you have to pick the balls (one at a time) so that you have at least one ball of each color in your hand? Thank you.Answer by stanbon(57219)   (Show Source): You can put this solution on YOUR website!There are 4 red, 4 white, 4 blue and 4 yellow balls in a bag (a total of 16 balls). They are picked at random. How many times you have to pick the balls (one at a time) so that you have at least one ball of each color in your hand? ------------------- 13 Pick 4 red, then 4 white, then 4 blue, the next ball must be yellow. ------------ Cheers, Stan H.