Mathematics, 07.06.2021 15:20 kayolaaaa53

Calculate a critical z-score for a left-tailed, right-tailed, or two-tailed test. a. The critical z-score for a left-tailed test at a 12% significance level is -0.45.
b. The critical z-score for a right-tailed test at a 9% significance level is 1.34.
c. The critical z-score for a two-sided test at a 4% significance level is 1.75.
d. The critical z-score for a two-sided test at a 20% significance level is 0.85.

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Calculate a critical z-score for a left-tailed, right-tailed, or two-tailed test. a. The critical z...

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