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True population proportion of adults

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A 95% confidence interval for the population proportion of adults that use a cell phone versus a land-line phone for their primary means of communication is 73.2% < p < 82.4%. Which answer choice best interprets the result of this confidence interval? You must explain why!

1. We are 95% confident that the true population proportion of adults who use a cell phone as their primary means of communication is between 73.2% and 82.4%

2. We are 5% confident that the true population proportion of adults who use a cell phone as their primary means of communication is between 73.2% and 82.4%

3. We are 95% confident that the true population proportion of adults who use a cell phone as their primary means of communication is less than 73.2%.

4. We are 5% confident that the true population proportion of adults who use a cell phone as their primary means of communication is greater than 82.4%

Reference no: EM131190994

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