Question

Assume the Poisson distribution applies. Use the given mean to find the indicated probability.

Find ​P(4​) when μ = 8.

Answer 1

For given Poisson distribution, μ=8.

P(k)=μ^k*e^(-μ)/k!
so
P(4)=8^4*e^(-8)/4!=0.05725 approx.