A 99% Confidence Interval Estimate of the Population Mean μ

question 19

Multiple Choice

A 99% confidence interval estimate of the population mean μ can be interpreted to mean:

• A)if all possible sample are taken and confidence intervals created,99% of them would include the true population mean somewhere within their interval.
• B)we have 99% confidence that we have selected a sample whose interval does include the population mean.
• C)we estimate that the population mean falls between the lower and upper confidence limits,and this type of estimator is correct 99% of the time.
• D)All of these choices are true.

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