Consider the following returns and states of the economy for TZ.Com.: Economy Probability Return Weak 15% 2% Normal 50% 8% Strong 35% 15% What is the standard deviation of TZ's returns?

Essentials of Business Analytics (MindTap Course List)
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ISBN:9781305627734
Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Chapter15: Decision Analysis
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Problem 4P: Investment advisors estimated the stock market returns for four market segments: computers,...
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Consider the following returns and states of the economy for TZ.Com.:

Economy
Probability
Return
Weak
15%
2%
Normal
50%
8%
Strong
35%
15%


What is the standard deviation of TZ's returns?

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