A researcher selects a random sample of size n and calculate a 95% confidence interval for a population mean $\mu$ \mu. The interval

Question

A researcher selects a random sample of size  n  and calculate a 95% confidence interval for a population mean   \mu . The interval

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has a 95% chance of capturing the value of   \mu .

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is a range of values for estimating the unknown parameter   \mu .

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has all the above properties.

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uses the sample mean as the point estimate for   \mu  and add a margin of error around it.

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