SOLUTION: : A bag contains 7 red marbles labeled {1,2,3,4,5,6,7} and 5 green marbles labeled {1,2,3,4,5}. Four marbles are pulled out at once (i.e. with no particular order). What is the

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Question 739508: : A bag contains 7 red marbles labeled {1,2,3,4,5,6,7} and 5 green marbles labeled
{1,2,3,4,5}. Four marbles are pulled out at once (i.e. with no particular order). What is the
probability that (10 marks)
(a) all four marbles are red?

Found 2 solutions by Edwin McCravy, AnlytcPhil:
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!

The set of marbles consists of:

{1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5} 



Edwin

Answer by AnlytcPhil(1807)   (Show Source): You can put this solution on YOUR website!

The set of marbles consists of:

{1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5} 



Edwin

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