What is the standard deviation if there is a 25% chance of a poor economy and a 25% chance of a booming economy?

A company will earn 10% returns in a poor economy, 16% returns in a normal economy, and 25% returns in a booming economy. What is the standard deviation if there is a 25% chance of a poor economy and a 25% chance of a booming economy?

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jeff jeffy answered 2 years ago

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