For an Activity, an Engineer Estimatesa (Optimistic Time) = 4

question 5

Essay

For an activity, an engineer estimatesa (optimistic time) = 4
b (pessimistic time) = 11
m (most likely time) = 6
What is the mean for this activity? The variance?

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Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept crucial in the cognitive development of infants.

Formal Operational

A stage in Piaget's theory of cognitive development, marked by the ability to think abstractly, reason logically, and plan systematically.

Abstract Principles

Fundamental ideas or theories that are not associated with any specific instances or physical objects but serve as the basis for thought and action.

Cognitive Development

The study of how thinking, problem solving, and intelligence evolve as people grow, typically focusing on childhood development stages.