Question

2

What is the appropriate z a value for a 75.4 % confidence interval for u? Round your response to at least 2 decimal places. Number

Answer 1

solution

At 75.4% confidence level

$\alpha$ = 1 - 0.754

$\alpha$ = 1 - 0.754 =0.246

$\alpha$/2 = 0.123

Z$\alpha$/2 = Z_{0.123 = + / -1.16}