What Is the Confidence Level of the Following Confidence Interval $\mu$

question 62

Multiple Choice

What is the confidence level of the following confidence interval for $\mu$ ?
$\bar { x } \pm 2.33 \left( \frac { \sigma } { \sqrt { n } } \right)$

• A) 233%
• B) 67%
• C) 78%
• D) 98%

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Definitions:

Sample Mean

The average of a set of observations from a sample, representing an estimate of the population mean.

Poker Time

A designated or scheduled period during which poker games are played, often referring to regular or tournament play times.

Standard Deviation

A mathematical indicator assessing the extent of spread within a collection of data points.

Sampling Distribution

The probability distribution of a statistic obtained from a large number of samples drawn from a specific population.