Granny Maggie has been investing in government bonds and corporate stocks since her mid 30’s. Now, in her 60s, she is interesting to try to invest in gold after receiving some advice from her friend. She would like to invest in gold and is aware that the returns on such an investment can be quite volatile. Read carefully the following table of states, probabilities, and returns.   Probability Return  Boom 0.1 40.00 % Good 0.2 30.00% OK 0.3 15.00% Level 0.2 2.00% Slump 0.2 -12.00% You are asked to determine the expected return and the standard deviation of the return on Granny’s gold investment.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Granny Maggie has been investing in government bonds and corporate stocks since her mid 30’s. Now, in her
60s, she is interesting to try to invest in gold after receiving some advice from her friend. She would like to
invest in gold and is aware that the returns on such an investment can be quite volatile.
Read carefully the following table of states, probabilities, and returns.

  Probability Return 
Boom 0.1 40.00 %
Good 0.2 30.00%
OK 0.3 15.00%
Level 0.2 2.00%
Slump 0.2 -12.00%

You are asked to determine the expected return and the standard deviation of the return on Granny’s gold
investment.

A. Granny Maggie has been investing in government bonds and corporate stocks since her mid 30's. Now, in her
60s, she is interesting to try to invest in gold after receiving some advice from her friend. She would like to
invest in gold and is aware that the returns on such an investment can be quite volatile.
Read carefully the following table of states, probabilities, and returns.
Probability
Return
Вoom
0.1
40.00%
Good
0.2
30.00%
OK
0.3
15.00%
Level
0.2
2.00%
Slump
0.2
-12.00%
You are asked to determine the expected return and the standard deviation of the return on Granny's gold
investment.
Transcribed Image Text:A. Granny Maggie has been investing in government bonds and corporate stocks since her mid 30's. Now, in her 60s, she is interesting to try to invest in gold after receiving some advice from her friend. She would like to invest in gold and is aware that the returns on such an investment can be quite volatile. Read carefully the following table of states, probabilities, and returns. Probability Return Вoom 0.1 40.00% Good 0.2 30.00% OK 0.3 15.00% Level 0.2 2.00% Slump 0.2 -12.00% You are asked to determine the expected return and the standard deviation of the return on Granny's gold investment.
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