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A Hospital telephone operator has observed that calls arrive at a rate of 300 calls per hour. What is the probability that there are exactly 5 calls in 10 minutes?​

Respuesta :

Answer:

It can be done using poisson distribution.

λ  = 30 calls/hr = 1.5 calls/3min

Now  P(X=x)=e−λ.λxx!

So  P(X=0)=e−1.5

Step-by-step explanation:

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