Investment (Show proper calculations please)

Investment (Show proper calculations please)

2)Barbara is considering investing in a stock and is aware that the return on that investment is particularly sensitive to how the economy is
performing. Her analysis suggests that four states of the economy can affect the return on the investment. Using the table of returns and probabilities below,
find

Probability Return

Boom 0.3 25.00%

Good 0.2 15.00%

Level 0.2 10.00%

Slump 0.3 -5.00%

a) What is the expected return on Barbara’s investment? (Round answer to 3 decimal places, e.g. 0.076.) b. What is the standard deviation of
the return on Barbara’s investment.

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