Consider a Project That Has an Expected Completion Time of 50

question 46

Multiple Choice

Consider a project that has an expected completion time of 50 weeks and a standard deviation of 9 weeks.What is the probability that the project is finished in 57 weeks or fewer? (Round to two decimals. )

• A)0.68
• B)0.78
• C)0.22
• D)0.32
• E)None of the above

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Definitions:

Insulate

To protect something from heat, electricity, or sound by surrounding it with a material that reduces or prevents the transmission of heat, electricity, or sound.

Lava Fountains

eruptions where lava is forcefully sprayed into the air through a vent or fissure, resembling a fountain.

Scoria Cones

Volcanic cones made up of fragments of lava or rock ejected during explosive eruptions, usually with a bowl-shaped crater at the summit.

Basaltic Lava

A dark, fine-grained volcanic rock that forms from the quick cooling of basaltic lava, rich in iron and magnesium.