Stats question 15

profileLillyWarsteiner

 

The annual returns, in percentages, on stocks A and B for three possible states of the economy are given in the table below.

 

 

 

Economy State

Probability

StockA

StockB

Good

0.5

40

20

Average

0.3

20

40

Bad

0.2

10

8

 


If one invested in StockA, what would be the standard deviation of the percentage return? Place your answer, in percent rounded to 1 decimal place, in the blank. For example, a standard deviation of 10.39 percent would be reported as 10.4. Do not use a percent sign.   [removed]

 

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