(Answered) If 2 of the calls received by schools switchboard are wrong

Statistics

If 2% of the calls received by schools switchboard are wrong numbers. Find the probability that among 210 calls received by schools switchboard, 4 will be wrong numbers.

a). Determine in this case whether the conditions for the Poisson approximation to the Binomial distribution are satisfied.

b). If so, please use the Poisson approximation to the binomial distribution to find the probability.

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