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 60% probability that the firm will have a 20% return and a 40% 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:       24%     23%     15%     35%

Intermediate Financial Management (MindTap Course List)
13th Edition
ISBN:9781337395083
Author:Eugene F. Brigham, Phillip R. Daves
Publisher:Eugene F. Brigham, Phillip R. Daves
Chapter3: Risk And Return: Part Ii
Section: Chapter Questions
Problem 2P: APT An analyst has modeled the stock of Crisp Trucking using a two-factor APT model. The risk-free...
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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 60% probability that the firm will have a 20% return and a 40% 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:
 
   

24%

   

23%

   

15%

   

35%

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