SOLUTION: A bag contains 4 red and 5 blue balls, 3 balls are drawn at random. What are the odds against these balls being blue?
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Question 1067356: A bag contains 4 red and 5 blue balls, 3 balls are drawn at random. What are the odds against these balls being blue?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are possible outcomes.
One of them is all of the balls being blue.
The probability of this event is,
So then the outcomes for all blue are and the outcomes against all blue are
So the odds are 37:5.
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