There is an operator at the center who places 25 outgoing, Ask an Expert

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In a bank call center, it is determined over a one-year period that 30% of the outgoing calls are answered by a live person, as opposed to being unanswered or picked up on voice mail. The center makes over 200,000 outgoing calls per year. There is an operator at the center who places 25 outgoing calls in a one-hour period. What is the probability that this operator will get live answers on 7 or more calls?

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