If the Null Hypothesis States $H _ { 0 } : E ( Y ) = \mu _ { Y , 0 }$

Multiple Choice

If the null hypothesis states $H _ { 0 } : E ( Y ) = \mu _ { Y , 0 }$ , then a two-sided alternative hypothesis is

A) $H _ { 1 } : E ( Y ) \neq \mu _ { Y , 0 }$
B) $H _ { 1 } : E ( Y ) \approx \mu _ { Y , 0 }$
C) $H _ { 1 } : \mu _ { y } < \mu _ { y , 0 }$
D) $H _ { 1 } : E ( Y ) > \mu _ { Y , 0 ^ { \circ } }$