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[Solution Library] The probability that I dial the wrong number when making a telephone call is 0.025. In a typical week I make 80 telephone calls. Using a

Question: The probability that I dial the wrong number when making a telephone call is 0.025. In a typical week I make 80 telephone calls. Using a Poisson approximation to a binomial model find the probability that in such a week I dial:

. 1 or more wrong number,
. exactly 3 wrong numbers,
. fewer than 5 wrong numbers?

(0.8647, 0.1804, 0.9473)

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[Solution Library] The probability that I dial the wrong number when making a telephone call is 0.025. In a typical week I make 80 telephone calls. Using a

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