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Find the probability that at least 9 calls are successful

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Reference no: EM132846549

The Pew Research Center reports that they are only able to contact 76% of randomly selected households drawn from telephone surveys. Supposed a pollster has a list of 12 calls to make. Let X = the number of people successfully contacted.

Find the probability that at least 9 calls are successful.

Reference no: EM132846549

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