The Time Required to Complete a Project Is Normally Distributed

question 118

Multiple Choice

The time required to complete a project is normally distributed with a mean of 80 weeks and a standard deviation of 10 weeks.The construction company must pay a penalty if the project is not finished by the due date in the contract.If a construction company bidding on this contract wishes to be 90 percent sure of finishing by the due date,what due date (project week #) should be negotiated?

• A)81.28
• B)92.8
• C)81.82
• D).81954
• E)None of the above

---

Definitions:

Dependent Variable

In an experimental study, the variable that is tested and measured to see if it is affected by changes in the independent variable.

Monozygotic Twins

Twins that are genetically identical, arising from a single fertilized egg that splits into two, allowing researchers to study the effects of environment versus genetics.

Dizygotic Twins

Also known as fraternal twins, they develop from two separate eggs fertilized by two different sperm cells, sharing about 50% of their genes.

Bipolar Disorder

A mental health condition marked by extreme mood swings from high (mania or hypomania) to low (depression).