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It is estimated that .46 percent of the callers to the Customer Service department of Dell Inc. will receive a busy signal. What is the

It is estimated that .46 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 1,000 callers at least 5 received a busy signal? Use the poisson approximation to the binomial.(Round your answer to 4 decimal places.)

Probability

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