Find the critical value and rejection region for the type of z-test with level of significance α $\alpha .$ Left-tailed test, α $\alpha = 0.05$
A) $z _ { 0 } = - 1.645 ; z

Question

Find the critical value and rejection region for the type of z-test with level of significance α $\alpha .$ Left-tailed test, α $\alpha = 0.05$
A) $z _ { 0 } = - 1.645 ; z < - 1.645$
B) $z _ { 0 } = - 2.33 ; z < - 2.33$
C) $\mathrm { z } _ { 0 } = - 2.575 ; \mathrm { z } < - 2.575$
D) $z _ { 0 } = - 1.96 ; z < - 1.96$

Quizplus · Accepted Answer

For a left-tailed test with $\alpha = 0.05$, the critical value is $z_{0.05} = -1.645$, indicating that the rejection region is $z < -1.645$.

Find the Critical Value and Rejection Region for the Type α.\alpha .α.

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