Apet supplier has a stock of parakeets of which 20% 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?

0.384

Step-by-step explanation:

pet supplier has a stock of parakeets of which 20% are blue parakeets

20/100 = 0.2 blue parakeets (success)

1-0.2 = 0.8 not parakeets (not success)

A pet store orders 3 parakeets from this supplier

we need to find the chance of getting exactly one blue from 3 parakeets

n=3, r=1, p = 0.2 , q=0.8

0.384

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