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Poisson approximation to the binomial

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Reference no: EM131444570

It is estimated that .60 percent of the callers to the Customer Service department of Dell Inc. will receive a busy signal.

What is the probability that of today's 1,400 callers at least 5 received a busy signal? Use the poisson approximation to the binomial. (Round your answer to 4 decimal places.)

Reference no: EM131444570

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