question 1

Given the following probability distribution, calculate the expected return. (express you answer as a percentage. Do not use the % symbol)

Probability Outcome

30% 0%

40% 10%

30% 30%

Question 2

Given the following probability distribution, calculate the standard deviation.

Probability Outcome

40% -5%

40% 10%

20% 30%

18.79%

35.00%

12.88%

12.22%

Question 3

Given the following probability distribution, calculate the expected return.

Probability Outcome

20% 5%

40% 10%

20% 15%

20% 20%

18.75%

50.25%

12.5%

12.0%