A pet 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?
A) 0.128
B) 0.384
C) 0.096
D) 0.024

Question

Quizplus · Accepted Answer

The probability of selecting exactly one blue parakeet can be calculated using the binomial probability formula: P(X=k) = C(n, k) * p^k * (1-p)^(n-k), where n=3, k=1, and p=0.2. This results in P(X=1) = 3 * 0.2^1 * 0.8^2 = 0.384.

A Pet Supplier Has a Stock of Parakeets of Which