Please show Formulas and Work A small software development project at Krishna Dhir's firm has five major activities. The times (in days) are estimated and provided in the table below:

a) The expected completion time for this project is____ days (enter your response as a whole number).

b) The project variance of completion time is ____days (enter your response as a whole number).

c) The probability that this project can be completed in 17 days or less is ____ (keep two decimal places).

d) The probability that it will take more than 17 days to complete this project is ___(keep two decimal places).

e) The due date that yields a 98% chance of completion is ___days (keep two decimal places).

Immediate Predecessor b 1 Activity A B D E a 2 3 4 2 3 m 5 6 7 5 3 A B 8 9 10 14 3