Activities A, B, C and D from the critical path for a project with a PERT network. The means and variances of the activity duration for each activity are given below. All activity durations follow the Gaussian (normal) distribution, and are independent of each other.
|
Activity |
A |
B |
C |
D |
|
Mean (days) |
6 |
11 |
8 |
15 |
|
Variance (days2) |
4 |
9 |
4 |
9 |
The probability that the project will be completed within 40 days is ______ (round off to two decimal places).
(Note: Probability is a number between 0 and 1).
Enter numerical value using the virtual keypad. Round off where necessary.