Suppose you perform the hypothesis test Ho:µ = 90 versus H1:µ > 90. The population variance, o?, is known. The sample size is n = 44. Assume the significance level is 0.06. Part 1: 1) Should you use z or t to find the critical value? Ot Part 2 of 4 Part 2: 2) Choose the correct critical region. O Reject Ho if z > za O Reject Ho if z < – zg Reject Ho if z > za O Reject Ho if z < – zg O Reject Ho if z > zg O Reject Ho if z < – za or z > za O Reject Ho if z > za O Reject Ho if z < – za or z > za O Reject Ho if z < – za O Reject Ho if z < - zg or z > za Reject Ho if z < or z 2 zg - Za Reject Ho if z < – zg ( Part 3 of 4 Part 3: 3) Identify the critical value. If using z, round to 2 decimals; if using t, round to 3 decimals.

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