If $\mu$ = 400,P $\bar { x }$ < 396)=0228,and N = 100,then the Population Standard Deviation

Multiple Choice

If $\mu$ = 400,P( $\bar { x }$ < 396) =.0228,and n = 100,then the population standard deviation $\sigma$ Is _____.

A) 76
B) 98
C) 17
D) 20
E) 41