The Letter $\alpha$ In the Formula for Constructing a Confidence Interval Estimate of Interval

question 116

Multiple Choice

The letter $\alpha$ in the formula for constructing a confidence interval estimate of the population mean is:

• A) the level of confidence.
• B) the probability that a particular confidence interval will contain the population mean.
• C) the area in the lower tail of the sampling distribution of the sample mean.
• D) None of these choices.

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