3. [6pts] Figure 3 shows the logic diagram of an "And-Or-Invert" gate. Estimate the activity factor, C0-=1, for the output F, if p(A=1)-1/2, p(B-1)=1/4, and p(C=1)=1/3. (Hint: you need to first find p(F=1) and p(F=0)) A F B C Figure 3