Determine the confidence level for the given confidence interval for ?. $\bar { x } \pm 1.48 \left( \frac { \sigma } { \sqrt { n } } \right)$
A) 86%
B) 93%
C) 7%
D) 96.5%

Question

Quizplus · Accepted Answer

The confidence level is determined by the z-score used in the confidence interval formula. A z-score of 1.48 corresponds to a confidence level of approximately 86%.

Determine the Confidence Level for the Given Confidence Interval for xˉ±1.48(σn)\bar { x } \pm 1.48 \left( \frac { \sigma } { \sqrt { n } } \right)xˉ±1.48(n​σ​)

Determine the Confidence Level for the Given Confidence Interval for $\bar { x } \pm 1.48 \left( \frac { \sigma } { \sqrt { n } } \right)$