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 whisle number$).$

c$)$ The probability that this projectbe 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 projectbe is $($keep two decimal places$)$

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