The number of hits on a certain website follows a Poisson distribution with a mean rate...

Question

Question

The number of hits on a certain website follows a Poisson distribution with a mean rate of 4 per minute.

What is the probability that 5 messages are received in a given minute?

math Statistics-And-Probability

Answer 1

Answer #1

X ~ Poi ( )

Where = 4

Poisson probability distribution is

P(X) = e^- * ^X / X!

So,

P(X = 5) = e^-4 * 4⁵ / 5!

= 0.1563

Answer 2

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