There Are Four Activities on the Critical Path, and They

question 84

Multiple Choice

There are four activities on the critical path, and they have standard deviations of 1, 2, 4, and 2. The standard deviation of the critical path is ______.

• A) 3
• B) 5
• C) 9
• D) 16
• E) 25

---

Definitions:

Vertical Direction

An orientation that is perpendicular to the horizon, pointing up or down from the observer's perspective.

Horizontal Direction

Pertains to anything oriented or moving left to right or parallel to the horizon, opposite of vertical.

Metamorphic Minerals

Minerals that have been chemically altered by heat and pressure conditions, characteristic of metamorphic rocks.

Geologic Structures

The features produced by deformation of the Earth's crust, including faults, folds, and rock layers, that reveal the history of the Earth's surface.