An Activity in a Network Diagram Has an Optimistic Time

question 13

Multiple Choice

An activity in a network diagram has an optimistic time estimate of seven days, a most likely time estimate of 11 days, and a pessimistic time estimate of 19 days. Its variance is _________.

• A) 2
• B) 4
• C) 6
• D) 12
• E) 24

---

Definitions:

Cognitive Dissonance

The unease in one's mind stemming from the coexistence of two or more opposing beliefs, ideas, or values within the same person.

Implicit Attitudes

Unconscious beliefs or feelings towards objects, people, or situations which can influence behavior and perceptions.

Attitude Accessibility

The ease with which an attitude can be retrieved from memory.

Insufficient Justification Effect

A phenomenon where individuals experiencing insufficient external reasons for their actions undergo attitude change to reduce dissonance.