ActivityPredecessorOptimisticMost LikelyPessimistic

A- 1515 15

B- 4045 60

C- 1014 30

D- 22 5

EA 57 9

FB,C,D,E 45 8

GF 11 1

HG 2530 50

IH 35 10

JI 33 10

KI 2030 45

LI 33 5

MJ,K,L 33 3

NM 1013 20

OM 1014 28

PN,O 22 2

QP 55 5

Analyze the probability of completing this work in 150 weeks using PERT ( z score)

Thanks!