What Is the Null Hypothesis? Use $\alpha = 0.05$
A) $H _ { 0 } ; \mu _ { 1 } \neq \mu _ { 2 }$

Multiple Choice

What is the null hypothesis? Use $\alpha = 0.05$ .

A) $H _ { 0 } ; \mu _ { 1 } \neq \mu _ { 2 }$
B) $H _ { 0 } : \mu _ { 1 } \geq \mu _ { 2 }$
C) $H _ { 0 } : \mu _ { 1 } \leq \mu _ { 2 }$
D) $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 }$