Find the critical value Za/2 that corresponds to the given confidence level: 91%
The left tail Critical value is -1.7.
The right tail critical value is 1.7
The 91% confidence level is between _1.7 and 1.7.
Find the critical value Za/2 that corresponds to the given confidence level: 91%
1) Find the critical value za/2 that corresponds to a 95% confidence level. Explain how to enter this in your calculator
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Find the critical value zα/2 that corresponds to the given confidence level. 86% zα/2= _______ (Round to two decimal places as needed.)
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Find the critical value za/2 needed to construct a confidence interval with level 95%. Round the answer to two decimal places. The critical value for the 95% confidence level is _______ .