Find the critical value $\mathrm { z } _ { \mathrm { C } }$ that corresponds to a 94% confidence level.
A) $\pm 1.88$
B) $\pm 1.645$
C) $\pm 1.96$
D) $\pm 2.33$

Question

Quizplus · Accepted Answer

The critical value for a 94% confidence level is found using a Z-table or standard normal distribution table. For a 94% confidence level, the tails (both sides) share the remaining 6%, so each tail has 3%. Looking up the Z-value for 0.97 (0.5 + 0.94/2) in the Z-table gives a value close to $\pm 1.88$.

Find the Critical Value zC\mathrm { z } _ { \mathrm { C } }zC​

Find the Critical Value $\mathrm { z } _ { \mathrm { C } }$