A Project Consists of Four Activities with Information as Shown

question 82

Multiple Choice

A project consists of four activities with information as shown in the table. What is the overall standard deviation of the project's duration?

• A) 6.2
• B) 4.1
• C) 2.8
• D) 5.1

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Definitions:

Distributed Practice

A learning strategy that involves spreading study sessions and practice over a period of time, rather than cramming all at once, to improve retention and skill development.

Long-Term Recall

The ability to retrieve and recognize information stored in memory for an extended period, often days, months, or years after initial learning.

Working Memory

A brain-function system with a constrained capacity dedicated to holding information short-term for processing needs.

Process and Recall

Refers to the cognitive functions of understanding information (process) and retrieving it from memory when needed (recall).