Ratios and Probability

personneedshelp

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May 2, 2009
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A box contains a seed mixture of pink flowers, blue flowers, and red flowers in the ratio of 1 to 1 to 2. The box holds a
total of 16 seeds. Three seeds are randomly sprinkled in the dirt. If each of the sprinkled seeds successfully produces one flower, what is the probability that there are 2 pink flowers and 1 blue flower? Show your answer as a common fraction.



I'm not sure if it's supposed to be 7 pink,7 blue,and 2 red or 4 pink,4 blue,and 8 red. And for the probablility, would it be 2 favorable outcomes and 3 possible outcomes? :?

It is not the consciousness of men that determines their existence but their existence that determines their consciousness.
~Karl Marx
 
Your problem is same as:

A container contains 16 balls: 4 are pink, 4 are blue and 8 are red.
3 balls are pulled at random (no replacement).
What is probability that 2 are pink and 1 is blue?

When I see teachers word problems the way this one is, I mentally pop 'em on the head :evil:
 
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