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) About Me  (Show Source):
You can put this solution on YOUR website!
There are 2%5E3=8 possible outcomes.
One of them is all of the balls being blue.
The probability of this event is,
P%28BBB%29=%285%2F9%29%284%2F8%29%283%2F7%29=5%2F42
So then the outcomes for all blue are 5 and the outcomes against all blue are 42-5=37
So the odds are 37:5.