There Are Four Activities on the Critical Path

question 100

Multiple Choice

There are four activities on the critical path.Coincidentally,the standard deviations for their durations are all equal to 4.The standard deviation of the duration for the critical path is therefore equal to:

• A)2
• B)4
• C)8
• D)16
• E)64

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Definitions:

Molecular Weight

The sum of the atomic weights of all atoms in a molecule.

Phase Transitions

The process of changing from one state of matter (solid, liquid, gas) to another, such as melting, freezing, vaporization, or condensation.

Branched Isomers

Molecules that have the same molecular formula but differ in the arrangement of their atoms due to branching in their structures.

Cyclohexane

Cyclohexane is a cycloalkane with the molecular formula C6H12, consisting of a ring of six carbon atoms, and is used as a solvent and in the synthesis of nylon.