Question: Select the correct statement. a.) The critical z-score for a two-sided test at a 4% significance O level is 1.75. O b.) The critical z-score

Select the correct statement. a.) The critical z-score for a two-sided test at a 4% significance O level is 1.75. O b.) The critical z-score for a right-tailed test at a 9% significance level is 1.34. O c.) The critical z-score for a two-sided test at a 20% significance level is 0.85. O d.) The critical z-score for a left-tailed test at a 12% significance level is -0.45

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