final answer needed only

Table 1 below contains the optimistic time (a), most likely time (m), and pessimistic time (b) based on which the expected time and variance for some activities are calculated and included in the table. Please use the available information to answer questions 16 and 17 Table 1 Activity a m b Expected Variance Time 7 10 17 1 4 820 2 7 MOA 001 12 16 12 1.78 1 3 2 0.11 et 00 E 6 8 22 10 7.11 F 3 4 3 0.11 NIN G 22 2 0 H 6 8 10 8 044 I 4 8 12 8 1.78 011 J 1 2 2 What are the expected time and variance for activity B? 2.2 19.9 8,9 OB,20 2.8