Select the correct statement. a.)
The critical z-score for a right-tailed test at an 18% significance level is 0.57.
b.)
The critical z-score for a two-sided test at an 18% significance level is 1.95.
c.)
The critical z-score for a left-tailed test at a 14% significance level is -1.08.
d.)
The critical z-score for a two-sided test at a 10% significance level is 1.23.