AOI21

P_1 = {P_A} \cdot {P_B} = 1/4\\ \alpha_1 = 3/16

P_2 = 1-\overline{P_A} \cdot \overline{P_B} = 5/8\\ \alpha_2 = 15/64

P_Y = 3/8 \\ \alpha_3 = 15/64


OAI21

P_1 = 1-{P_A} \cdot {P_B} = 3/4\\ \alpha_1 = 3/16

P_2 = {P_A} \cdot {P_B} = 3/8\\ \alpha_2 = 15/64

P_Y = 5/8 \\ \alpha_3 = 15/64