A College Sent a Survey to a Sample of Juniors $\frac { 279 } { 512 }$

question 16

Multiple Choice

A college sent a survey to a sample of juniors.Of the 512 students surveyed,279 live on campus,of whom 110 have a GPA of 2.5 or greater.The other 233 juniors live off-campus,of whom 85 have a GPA of 2.5 or greater.What is the probability that a survey participant chosen at random lives on campus and has a GPA of 2.5 or greater?

• A) \(\frac { 279 } { 512 }\)
• B) \(\frac { 22 } { 39 }\)
• C) \(\frac { 110 } { 279 }\)
• D) \(\frac { 195 } { 512 }\)
• E) \(\frac { 55 } { 256 }\)

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Definitions:

Delusions

Systematized false beliefs, often of grandeur or persecution.

ECT

Electroconvulsive Therapy, a psychiatric treatment method where seizures are electrically induced in patients to provide relief from mental disorders.

Seizure

A sudden, uncontrolled electrical disturbance in the brain that can cause changes in behavior, movements, feelings, and levels of consciousness.

Blackout

A temporary loss of consciousness or memory, often as a result of alcohol consumption or medical conditions.