It is known that the number of telephone calls received per minute at a reception is distributed according to Poisson wi

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answerhappygod
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It is known that the number of telephone calls received per minute at a reception is distributed according to Poisson wi

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It is known that the number of telephone calls received per minute at a reception is distributed according to Poisson with an average of 1, 8 calls. Calculate the probability that in one minute they will be received:
a) two calls
b) at least two calls
c) more than two calls
d) What is the probability that in 5 minutes no call will be received
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