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
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Question 527849: 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 the chance that the pet store gets exactly one blue parakeet?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
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 the chance that the pet store gets exactly one blue parakeet?
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Binomial Problem with n = 3 and p(blue parakeet) = 0.1
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P(x = 1) = 3C1*0.1^1*0.9^2 = 0.2430
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Cheers,
Stan H.
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