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[Solved] Interpreting Excel Result In 1920 only 35 \% of U.S. households had telephones, but that rate is now much higher. A recent survey of 4276 randomly

Question: Interpreting Excel Result In 1920 only \(35 \%\) of U.S. households had telephones, but that rate is now much higher. A recent survey of 4276 randomly selected households showed that 4019 of them had telephones (based on data from the U.S. Census Bureau). Using those survey results and a \(99 \%\) confidence level, Excel displays this confidence interval: \(0.931<p<0.949\).

  1. Write a statement that interprets the confidence interval.
  2. Based on the preceding result, should pollsters be concerned about results from

surveys conducted by telephone?

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