A random sample of $n = 18$ observations is selected from a normal population to test $H _ { 0 } : \mu$ $= 145$ against $H _ { \mathrm { a } } : \mu \neq 145$ at $\alpha = .10$. Specify the rejection region.

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The Answer of A random sample of $n = 18$ observations is selected from a normal population to test $H _ { 0 } : \mu$ $= 145$ against $H _ { \mathrm { a } } : \mu \neq 145$ at $\alpha = .10$. Specify the rejection region.

A Random Sample Of n=18n = 18n=18 Observations Is Selected from a Normal Population to Test

A Random Sample Of $n = 18$ Observations Is Selected from a Normal Population to Test