90 versus H1: u > 90. The population variance, o², is Suppose you perform the hypothesis test Ho: u known. The sample size isn = = 44. Assume the significance level is 0.06. Part 1: 1) Should you use...

Extracted text: 90 versus H1: u > 90. The population variance, o², is Suppose you perform the hypothesis test Ho: u known. The sample size isn = = 44. Assume the significance level is 0.06. Part 1: 1) Should you use z or t to find the critical value? Part 2 of 4 Part 2: 2) Choose the correct critical region. Reject Ho if z > za O Reject Ho if z < –="" zg="" reject="" ho="" if="" z=""> za Reject Ho if z < -="" za="" reject="" ho="" if="" z=""> zg Reject Ho if z < za="" or="" z=""> Za Reject Ho if z > z9 O Reject Ho if z < za="" or="" z="" 2="" 2za="" reject="" ho="" if="">< za="" reject="" ho="" if="" z="">< za="" or="" z=""> zs Reject Ho if z s O Reject Ho if z - zą or z 2 z4 Za