Can you please answer these questions using the SD normal cumulative probability table - please show calculations

*note: write the answer in round figure

1) a project whose critical path has an estimated time of 820 days with a variance of 225 has a 20 % chance that the project will be completed before ----- days?

2)analysis of a PERT problem shows the estimated time for the critical path to be 108 days with the variance of 64, there is a .90 probability that the project will be completed before approximately --- days?

NERAL TO Standard Norma Cumulative Probability Table tan The WE O DOM 20 WD GO 100 . 0010 00 . GBG . 6.001 32 O ber 200 BARU 0.0001 100 0.0000 De 0.000 000 BOUT 3003 cas Bocad 004 ERO 015 MOB Wh . .. DO 0600 0.0064 0.0095 0.0000 C D 0001 G. BB 40 BM 6.00 WAT 100G B 2004 . PRO De IMG TH 9000 1000 26 TE 0.0064 SIM 06118 BOR 1 ON GM BEN 100 DONE 0.0110 154 D. BORT 0.01 0.04 . 23 3.00 012 0.01 0.000 60120 0.0156 . . 10 2.1 20 SOU CO 00125 0.0162 0.00T 62 2012 0.0400 050 U G. 0.00 WE . DOT 0.034 36495 DESTE . De re 1 0.8401 04 0.00 13 . -1 1 MT LON LENTE 0.0004 11 HOHIT BRO OS aar 0.0749 6721 DOS 1 1 DOT AND TO NO D on B. POTE 01110 . 1020 0.1210 14 109 1112 - -14 13 . -1 -1. 17 021 142 1131 130 1330 14 w 11 11 W . 153 0.15 1811 30 0.1711 01730 6 2005 0.17 41 0211 2 7 201 23 . 0.2015 337 wa VAPO . 2200 02554 wat DO 0.22 0254 27 20 4 a 45 CVND OKO 2011 2940 . 6.200 DOO 10 BICO 60 Te 0.2012 DUM 12 6.4013 0.41 401 CHO TO BOLO PO 3372 44 PRO DOO 3660 1 CO DO 0.35 03 04 16721 0418 O TO BUTTO DO ON 6.40 0,061 DON Dar -02 -0.1 00 1412 04522 4 DAS DOO 44 0.4849 4160