managers would like to determine the total project completion time $($in days$)$ and those activities that lie along the critical path. The appropriate data are shown in the following table

Time $($days$)$

Immediate

Predecessor$($s$)$

Activity

Time $($days$)$

Activity

a

b

a

m

b

Immediate

Predecessor$($s$)$

A

$4$

$6$

$7$

H

$5$

$5$

$8$

E$.$F

B

$2$

$2$

$3$

$1$

$5$

$10$

G$,$ H

C

$6$

$6$

$6$

A

J

$2$

$4$

$8$

D

$4$

$9$

$12$

A

K

$8$

$12$

$1$

E

$3$

$9$

$19$

B$,$ C

L

$2$

$4$

$7$

J

F

$1$

$4$

$8$

D

M

$1$

$2$

$4$

K

G

$1$

$5$

$8$

D

N

$6$

$9$

$11$

L$,$ M

a$)$ The expected completion time of the project $=5\mathrm{.}83$ days $($round your response to two decimal places$)$

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