Poisson approximation to the binomial


It is estimated that 0.5% of the callers to the Customer Service department of Dell Inc. will receive a busy signal. What is the probability that of today's 1,200 callers at least 5 received a busy signal? Use the poisson approximation to the binomial.

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Basic Statistics: Poisson approximation to the binomial
Reference No:- TGS0752491

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