SOLUTION: A pet supplier has a stock of parakeets of which 10% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is
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Question 1119242: A pet supplier has a stock of parakeets of which 10% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is chance that the pet store gets exactly one blue parakeet.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
3 ways to get exactly 1, the first, second, or third
probability of each of these is the same 0.1*0.9*0.9, or 0.081 for one and 0.243 altogether.
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