blueflu8713 blueflu8713 25-05-2023 Business contestada There are four activities on the critical path, and the standard deviations for their durations are 7, 15, 31, and 6 days. The standard deviation of the duration of the critical path is: a. 1271 b. 35.65 c. 59 d. 7.681 e. 14.75