Use the Information for the Question(s)below

question 91

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 a portfolio of 20 type S firms is closest to:

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

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Definitions:

Compact Bone

The dense, hard outer layer of bone that provides strength and support to the skeletal structure.

Osteons

The fundamental unit of compact bone, comprising a central canal surrounded by concentric layers of calcified matrix.

Chondroblasts

Cells that produce cartilage matrix, leading to the formation of new cartilage tissue.

Cartilage Matrix

The non-cellular, fibrous structure composed primarily of collagen and proteoglycans that provides support and flexibility to cartilage tissue.