To Test the Hypotheses $H _ { 0 } : \mu = 40$

Essay

To test the hypotheses $H _ { 0 } : \mu = 40$ $H _ { 1 } : \mu \neq 40$ we draw a random sample of size 16 from a normal population whose standard deviation is 5. If we set $\alpha = 0.01 ,$ find $\beta$ when $\mu = 37$ .