Question: Assume you get one call in a given hour with probability 0.2 and zero calls with probability 0.8. Find and approximate the probability of exactly

Assume you get one call in a given hour with probability 0.2 and zero calls with probability 0.8. Find and approximate the probability of exactly two calls in 10 h.
In the above case, find the probability exactly with the binomial distribution, and compare your result with what you find with the Poisson approximation.

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