Question: What is the standard deviation on return for a stock that has the following probability distribution: state of the economy probability return (%) boom 0.30

What is the standard deviation on return for a stock that has the following probability distribution:

state of the economy probability return (%)
boom 0.30 18
normal growth 0.50 12
recession 0.20 -5

A) 8.13% B) 9.96% C) 7.04% D) 1.44%

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