The three confidence intervals below were constructed from the same sample. One of them was computed at a confidence level of 90%, another at a confidence level of 95%, and another at a confidence level of 98%. Which is the confidence level at $98 \%$ ?
A) cannot be determined
B) $36.5

Question

The three confidence intervals below were constructed from the same sample. One of them was computed at a confidence level of 90%, another at a confidence level of 95%, and another at a confidence level of 98%. Which is the confidence level at $98 \%$ ?
A) cannot be determined
B) $36.5 < \mu < 49.5$
C) $38.4 < \mu < 47.6$
D) $37.6 < \mu < 48.4$

Quizplus · Accepted Answer

The confidence interval with the widest range corresponds to the highest confidence level, which is 98%.

The Three Confidence Intervals Below Were Constructed from the Same 98%98 \%98%

The Three Confidence Intervals Below Were Constructed from the Same $98 \%$