art 1 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:       Question content area bottom Part 1   A. ​23.0%.   B. ​5.10%.   C. ​5.25%.   D. ​15.0%.

Financial Reporting, Financial Statement Analysis and Valuation
8th Edition
ISBN:9781285190907
Author:James M. Wahlen, Stephen P. Baginski, Mark Bradshaw
Publisher:James M. Wahlen, Stephen P. Baginski, Mark Bradshaw
Chapter11: Risk-adjusted Expected Rates Of Return And The Dividends Valuation Approach
Section: Chapter Questions
Problem 10PC: The data in Exhibit 11.3 on industry median betas suggest that firms in the following three sets of...
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Part 1
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:
 
 
 

Question content area bottom

Part 1
 
A.
​23.0%.
 
B.
​5.10%.
 
C.
​5.25%.
 
D.
​15.0%.
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