Question

For a confidence level of 85%, find the critical value. Round your answer to two decimal places.

Answer 1

Given

Confidence level = 85%

Find

Critical Value

explanation

As we know that the critical value of a distribution is the value beyond which the rejection region lies.

for a confidence interval the rejection region lies beyond two values , the positive and negative critical value.

so,

$\pm z_{\frac{\alpha}{2}=}\operatorname{\pm}z_{\frac{0.15}{2}=\pm1.439}$

Final Answer

The critical value is

$\pm1.439$

round off to two decimal places =

$\pm1.44$