Answer
$P(3)=0.0715$
Work Step by Step
$P(x)=\frac{(λt)^x}{x!}e^{-λt}$
For λ = 0.05 and t = 8:
$P(3)=\frac{(0.05\times8)^3}{3!}e^{-0.05\times8}=\frac{0.064}{6}e^{-0.4}=0.00715$
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