a. Report the standard score, the p-value, and state what your decision is. 1 Oz = 0.81; p-value = 0.250; fail to reject the null. Oz=0.80; p-value = 0.401; fail to reject the null. Oz = 0.25; p-value = 0.401; fail to reject the null. z = 0.40; p-value = 0.250; fail to reject the null. Oz