An Activity Has a Pessimistic Time That Is Three Times

question 59

Multiple Choice

An activity has a pessimistic time that is three times as long as its most likely time and five times as long as its optimistic time.If the activity variance is 10,what is the expected time?

• A)about 10 days
• B)about 14 days
• C)about 19 days
• D)about 23 days

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Definitions:

Propane

A three-carbon alkane with the molecular formula C3H8, commonly used as a fuel in heating and cooking appliances.

Condensed

A state of matter that is characterized by particles being in close proximity, typically referring to liquids and solids.

Lewis Structure

A graphical representation of the distribution of electrons in molecules, showing how the atoms are bonded together and the pairs of electrons not involved in bonding.

Boron Trifluoride

A pungent, toxic gas that forms white fumes in moist air and is used in various chemical reactions as a catalyst.