Use the Information for the Question(s)below

question 19

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 firm 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 I firms is closest to:

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

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Definitions:

Lymphoid Tissue

Specialized connective tissue in the lymphatic system, containing large numbers of lymphocytes, that helps protect the body against infection.

Connective Tissue

A type of body tissue that supports, connects, or separates different types of tissues and organs in the body.

Mucosa

The moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach.

Mismatched Blood

Blood transfused into a person that is not compatible with their blood type, potentially causing serious reactions.