According to the table regarding the project activities given above;

a) Draw the network diagram for the whole project (AON). b) Calculate the expected time and variances for the activities. c) Determine the earliest completion times of the project. d) Determine the critical path of the project. e) Calculate ES, EF, LS and LF and space times. f) Calculate the probability that the project can be completed in 50 days or less. g) Calculate the probability that the project can be completed in 40 days or more. h) Speed up the project up to 33 days. Calculate the effect on the total project cost.

NOTE: YES X, Y AND M HAVE A COMMON NUMBER IN SOME VALUES

ACTVTES PREDECESSOR ACTIVITIES A TIME FORECAST (DAY) X Y M 3 5 7 1 1,5 5 4 5 12 B A C A D 8 10 24 B D E 7 10 13 F D 5 11 9,5 5 TIME (DAY) COST (TURKSH LIRA-TL) FAST NORMAL FAST 4 1000 1300 2 500 500 4 900 1300 8 2400 2800 7 1500 2100 6 1800 2250 3 1000 1400 7 1800 2150 1 50 50 2 400 400 2 300 425 8 1500 1725 5 1200 1650 4 2000 2100 G D 3,5 6 6,5 16 . B 8 I C-E 1 1 1 G 1 2 3 4,5 K F-I-) 3 L K 1,5 7 6 11 M 9 6,5 7,5 H-G M 10 N 5 13