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Tommie has made an investment that will generate returns that are subject to the state of the economy during the year. Use the following information to calculate the standard deviation of the return distribution for Tommie's investment.
State Return Probability
Weak 0.13 0.3
OK 0.2 0.4
Great 0.25 0.3

Respuesta :

Answer:

The standard deviation is 0.046733

Explanation:

Kindly see completed table in attachment.

The variance is 0.002184

The standard deviation is

[tex]=\sqrt{variance}\\\\= \sqrt{0.002184} \\\\\\= 0.046733[/tex]