Suppose a test procedure about the population mean $\mu$ is performed, when the population is normal with known standard deviation $\sigma ,$ then if the alternative hypothesis is $H _ { a } : \mu \neq \mu _ { 0 } ,$ the rejection region for a level $\alpha$ test is either __________ or __________.

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The Answer of Suppose a test procedure about the population mean $\mu$ is performed, when the population is normal with known standard deviation $\sigma ,$ then if the alternative hypothesis is $H _ { a } : \mu \neq \mu _ { 0 } ,$ the rejection region for a level $\alpha$ test is either __________ or __________.

Suppose a Test Procedure About the Population Mean μ\muμ Is Performed, When the Population Is Normal with Known Standard

Suppose a Test Procedure About the Population Mean $\mu$ Is Performed, When the Population Is Normal with Known Standard