Ross Hopkins, president of Hopkins Hospitality, has developed the tasks,

durations, and predecessor relationships in the following table for building

new motels.

a$)$ The expected $($estimated$)$ time for activity C is $13\mathrm{.}83$ weeks. $($Round

your response to two decimal places.$)$

b$)$ The variance for activity C is

weeks. $($Round your response to two

decimal places.$)$

c$)$ Based on the calculation of the estimated times, the critical path is

$A-C-F-H-J-K$

d$)$ The estimated time for the critical path is

weeks. $($Round your

response to two decimal places.$)$