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Confidence and Precision In a recent study, 1,115 males 25 to 35 years of age were randomly chosen and asked about their exercise habits. Based
Confidence and Precision In a recent study, 1,115 males 25 to 35 years of age were randomly chosen and asked about their exercise habits. Based on the study results, the researchers estimated the mean time that a male 25 to 35 years of age spends exercising with 90%, 95%, and 99% confidence intervals. Here are those confidence intervals (not necessarily in order): Three confidence intervals Flag question: Question 1 Question 1 2.5 pts For which of the three intervals do you have the most confidence that the interval captures the population mean ? Group of answer choices (3, 4) (2.5, 4.5) (2, 5) Flag question: Question 2 Question 2 2.5 pts The confidence interval in which you have the most confidence that it captures the population mean must be: Group of answer choices The 90% confidence interval The 95% confidence interval The 99% confidence interval
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