Step-by-step explanation:
For a one-tailed test, the critical value is 1.645 . So the critical region is Z<−1.645 for a left-tailed test and Z>1.645 for a right-tailed test. For a two-tailed test, the critical value is 1.96 .
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Step-by-step explanation:
For a one-tailed test, the critical value is 1.645 . So the critical region is Z<−1.645 for a left-tailed test and Z>1.645 for a right-tailed test. For a two-tailed test, the critical value is 1.96 .