(Expected rate of return and risk​)   B. J. Gautney Enterprises is evaluating a security. ​ One-year Treasury bills are currently paying 3.9 percent. Calculate the​ investment's expected return and its standard deviation. Should Gautney invest in this​ security?   Probability Return 0.20 −5 ​% 0.50 4 ​% 0.10 5 ​% 0.20 8 ​%

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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(Expected
rate of return and
risk​)
  B. J. Gautney Enterprises is evaluating a security. ​ One-year Treasury bills are currently paying
3.9
percent. Calculate the​ investment's expected return and its standard deviation. Should Gautney invest in this​ security?
 
Probability
Return
0.20
−5
​%
0.50
4
​%
0.10
5
​%
0.20
8
​%
​(Click
on the icon
  
in order to copy its contents into a
spreadsheet.​)
 
 
 

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Part 1
a.  The​ investment's expected return is
enter your response here​%.
​(Round to two decimal​ places.)
b. the investment's standard devation is? round 2 decimal places
c. should gautney invest in this security? 
 
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