A Sorority Has 12 Members, 4 of Whom Are Full

question 45

Multiple Choice

A sorority has 12 members, 4 of whom are full members and 8 are pledges. Two persons are selected at random from the membership list of the sorority. Find the probability: the second person selected is a pledge. ​

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Definitions:

Psychopharmacology

is the study of the use of medications in treating mental disorders, focusing on how psychoactive substances interact with the brain and influence behavior.

Electroconvulsive Treatment

A psychiatric treatment where seizures are electrically induced in patients to provide relief from mental disorders.

Biological Intervention

Therapies or treatments that involve manipulation of the body's biological systems, often through medication, to treat mental health conditions.

Psychological Disorders

Mental disorders characterized by patterns of behavior or thoughts that are significantly distressful or impairing personal functioning.