Suppose that a recent survey produces (10.5%, 12.5%) as the 95% confidence interval for the proportion of US adults who have received at least one dose of COVID-19 vaccine. a) What is the width of the confidence interval? b) Interpret the meaning of the confidence interval: None of these interpretations is correct. There is a 50% probability that the true proportion of US adults who have recelved at least a dose of

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Suppose that a recent survey produces (10.5%, 12.5%) as the 95% confidence interval for the proportion of US
adults who have received at least one dose of COVID-19 vaccine.
a) What is the width of the confidence interval?
b) Interpret the meaning of the confidence interval:
None of these interpretations is correct.
There is a 50% probability that the true proportion of US adults who have received at least a dose of
COVID-19 vaccine is within the interval (10.5%, 12.5%).
There is a 11.5% probability that the true proportion of US adults who have received at least a dose of
COVID-19 vaccine is within the interval (10.5%, 12.5%).
There is a 5% probability that the true proportion of US adults who have received at least a dose of
COVID-19 vaccine is outside the interval (10.5%, 12.5%).
There is a 95% probability that the true proportion of US adults who have received at least a dose of
COVID-19 vaccine is within the interval (10.5%, 12.5%).
Transcribed Image Text:Suppose that a recent survey produces (10.5%, 12.5%) as the 95% confidence interval for the proportion of US adults who have received at least one dose of COVID-19 vaccine. a) What is the width of the confidence interval? b) Interpret the meaning of the confidence interval: None of these interpretations is correct. There is a 50% probability that the true proportion of US adults who have received at least a dose of COVID-19 vaccine is within the interval (10.5%, 12.5%). There is a 11.5% probability that the true proportion of US adults who have received at least a dose of COVID-19 vaccine is within the interval (10.5%, 12.5%). There is a 5% probability that the true proportion of US adults who have received at least a dose of COVID-19 vaccine is outside the interval (10.5%, 12.5%). There is a 95% probability that the true proportion of US adults who have received at least a dose of COVID-19 vaccine is within the interval (10.5%, 12.5%).
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