Supposing the return from an investment has the following probability distribution   Return   Probability     R (%)   8                 0.2   10               0.2   12               0.5   14               0.1   Required: What is the expected return of the investment? What is the risk as measured by the standard deviation of  expected returns?

Essentials of Business Analytics (MindTap Course List)
2nd Edition
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
Chapter5: Probability: An Introduction To Modeling Uncertainty
Section: Chapter Questions
Problem 16P: The following table provides a probability distribution for the random variable y. a. Compute E(y)....
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Supposing the return from an investment has the following probability distribution

  Return   Probability  

  R (%)

  8                 0.2

  10               0.2

  12               0.5

  14               0.1

 

Required:

What is the expected return of the investment?
What is the risk as measured by the standard deviation of  expected returns?
Return
(R)
Exp. Ret.
Prob. P
(a)
Exp. Ret. P. x
(c)= a x R
Deviation
R-R
Variance
Standard deviation is the square root of variance
Dev
a(R-R)²
Transcribed Image Text:Return (R) Exp. Ret. Prob. P (a) Exp. Ret. P. x (c)= a x R Deviation R-R Variance Standard deviation is the square root of variance Dev a(R-R)²
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