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

question 61

Multiple Choice

What is the confidence level of the following confidence interval for $\mu$ ?
$$\bar { x } \pm 1.645 \left( \frac { \sigma } { \sqrt { n } } \right)$$

• A) \(98 \%\)
• B) \(90 \%\)
• C) \(165 \%\)
• D) \(95 \%\)

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Definitions:

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