SOLUTION: a boy has 3 red marbles in his pocket, 4 blue marbles and 4 green marbles. How many will he have to take out of hispacket to ensure that he has one of each color?
Algebra ->
Probability-and-statistics
-> SOLUTION: a boy has 3 red marbles in his pocket, 4 blue marbles and 4 green marbles. How many will he have to take out of hispacket to ensure that he has one of each color?
Log On
Question 127694: a boy has 3 red marbles in his pocket, 4 blue marbles and 4 green marbles. How many will he have to take out of hispacket to ensure that he has one of each color? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! a boy has 3 red marbles in his pocket, 4 blue marbles and 4 green marbles. How many will he have to take out of his packet to ensure that he has one of each color?
------------------
What might happen:
Pick 4 green
pick 4 blue
Next pick will give and red and you will have one of each color.
-------------------
Ans: 9 picks required to assure at least one of each color.
=================================
Cheers,
Stan H.