$\backslash$table$[[$Activity$,\backslash$table$[[$Immediate$],[$Predecessor$]],$Optimistic,$\backslash$table$[[$Most$],[$Likely$]],$Pessimistic,Sigma,Variance$],[$A$,$F$,2,3,4,0\mathrm{.}333,0\mathrm{.}111],[B,$F$,2,5,8,1,1],[$C$,$A$,1,2,9,1\mathrm{.}33,1\mathrm{.}78],[D,$A$,5,5,5,0,0],[E,B,C,6,7,8,0\mathrm{.}333,0\mathrm{.}111],[$F$,$B$,14,14,14,0,0],[$G$,$D$,$ E$,1,5,9,1\mathrm{.}333,1\mathrm{.}78],[H,G,F,1,4,8,1\mathrm{.}167,1\mathrm{.}361]]$

What is the variance of the critical path?

a$.5\mathrm{.}222$

b$.4\mathrm{.}364$

c$.5\mathrm{.}144$

d$.1\mathrm{.}361$

e$.2\mathrm{.}361$