The Following Network Shows a Portion of an IT Project

Multiple Choice

The following network shows a portion of an IT project involving programming, hardware installation, and implementation. As shown, programming and hardware installation are both estimated to be 52 days in duration. These estimates are not exact, given the uncertainty that can occur in any project environment, but they do share the same statistical distribution, with 52 as the median value.

Given what is covered in Chapter 6 regarding two tasks that merge into a common successor, what is the approximate probability that implementation can begin at the end of 52 days of concurrent work on programming and hardware installation?

A) 0%
B) 25%
C) 50%
D) 75%
E) 100%