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Find the critical value zc necessary to form a confidence interval at the level of confidence shown below. c=0.85 Zc= Round to decimal places as

Find the critical value zc necessary to form a confidence interval at the level of confidence shown below.

c=0.85

Zc=

Round to decimal places as needed

When I did the Equation I have gotten the output of 0.075 but struggling with the standard table to find where this fall's.

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