Consider a Project That Has an Expected Completion Time of 50

question 61

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

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Definitions:

Ions

Charged particles that result when an atom or molecule gains or loses electrons, featuring positive or negative electrical charges.

Polar Solvent

A solvent with a dielectric constant greater than 15, which can dissolve ionic or polar solutes due to its polarity.

Ethylene Glycol

A toxic, colorless liquid with the formula C2H6O2, used primarily as an antifreeze in cooling and heating systems.