With the expected time you get in previous question.

Now, suppose Convex Productions has agreed to start on this project immediately. If Convex Productions does not complete the project within $9$ days of starting it$,$ Convex$$Productions loses a large financial bonus for prioritizing this particular project. This project include two paths: A$-$C$-$D$,$ A$-$B$-$E$.$ Which of the following values is closest to$$the probability that Convex Productions will$$earn this bonus?

A$.$

$0\mathrm{.}35$

B$.$

$0\mathrm{.}05$

C$.$

$0\mathrm{.}78$

D$.$

$0\mathrm{.}15$