Question: 4.In a certain community, on a given evening, someone is at home in 85% of the households. Suppose that a researcher conducting a telephone survey

4.In a certain community, on a given evening, someone is at home in 85% of the households. Suppose that a researcher conducting a telephone survey randomly selects 12 households to call that evening. What is the probability that someone will be at home in exactly 7 households?

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