Under the Assumption That $\mu = \mu _ { \mathrm { a } }$

True/False

Under the assumption that $\mu = \mu _ { \mathrm { a } }$ , where $\mu _ { \mathrm { a } }$ is the alternative mean, the distribution of $\bar { x }$ is mound shaped and symmetric about $\mu _ { \mathrm { a } }$ .