Given $H _ { 0 } : \mu = 18 , H _ { \mathrm { a } } : \mu < 18$

Given $H _ { 0 } : \mu = 18 , H _ { \mathrm { a } } : \mu < 18$ , and $p = 0.068$ . Do you reject or fail to reject $H _ { 0 }$ at the $.05$ level of significance?

A) fail to reject $H _ { 0 }$
B) reject $H _ { 0 }$
C) not sufficient information to decide