Question: Poll Confidence Level It is common for public opinion polls to have a confidence level of 95%, meaning that there is a 0.95 probability that

Poll Confidence Level It is common for public opinion polls to have a “confidence level” of 95%, meaning that there is a 0.95 probability that the poll results are accurate within the claimed margins of error. If five different organizations conduct independent polls, what is the probability that all five of them are accurate within the claimed margins of error? Does the result suggest that with a confidence level of 95%, we can expect that almost all polls will be within the claimed margin of error?

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