Determine the confidence level for the given confidence interval for $\mu$.
$$\bar { x } \pm 1.00 \left( \frac { \sigma } { \sqrt { n } } \right)$$
A) $84.13 \%$
B) $31.74 \%$
C) $15.87 \%$
D) $68.26 \%$

Question

Quizplus · Accepted Answer

The value 1.00 corresponds to a z-score, which represents the number of standard deviations from the mean. A z-score of 1.00 corresponds to approximately 68.26% confidence level in a normal distribution.

Determine the Confidence Level for the Given Confidence Interval For \mu