Use the Information for the Question(s)below

question 82

Multiple Choice

Use the information for the question(s) below.
Consider an economy with two types of firms,S and I.S firms always move together,but I firms move independently of each other.For both types of firms there is a 70% probability that the firm will have a 20% return and a 30% probability that the firm will have a -30% return.
-The standard deviation for the return on an portfolio of 20 type S firms is closest to:

• A)15.0%
• B)23.0%
• C)5.25%
• D)5.10%

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Definitions:

Behaviour Therapy

A type of psychotherapy that aims to change undesirable behavior through conditioning and other learning principles.

Obsessive-Compulsive Disorder

A psychiatric condition defined by persistent, intrusive thoughts (obsessions) coupled with repeated actions (compulsions).

Therapeutic Outcomes

The results or consequences of medical treatments or therapeutic interventions, impacting patient health and well-being.

Atypical Antipsychotic

A class of medication primarily used to treat psychiatric conditions, distinguished from older antipsychotics by their differing side effects and mechanisms of action.