railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Project Planning
If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, then the expected time ‘t’ of the activity will be:
1
\(\frac{{{t_o} + {t_p} + {t_m}}}{3}\)
2
\({{{t_o} + {t_p} + 3{t_m}}}{5}\)
3
\(\frac{{{t_o} + {t_p} + 2{t_m}}}{4}\)
4
\(\frac{{{t_o} + {t_p} + 4{t_m}}}{6}\)