Answer : The risk reward ratio for Cornhusker Enterprises is 0.75, while that for Mustang Associates is 0.90.
Since the risk-reward ratio for Mustang Associates is higher, it's risk-reward ratio is worse.
In this question, we first need to calculate the risk-return ratio for both the stocks.
The risk-reward ratio express risk (standard deviation) per unit of expected return (mean).
We can calculate the risk-reward ratio (coefficient of variation) by using the following formula:
![Risk-reward ratio = (\sigma )/(\mu)](https://img.qammunity.org/2019/formulas/business/college/tv3k3vttjiep86l80zjswhylo73056wvak.png)
where
σ = Standard deviation
μ = Expected Return on a security.
Cornhusker Enterprises:
![Risk -reward Ratio = (0.15/0.20)](https://img.qammunity.org/2019/formulas/business/college/3rb8ymcltg8gklyg46un59nmhk4pv75sjq.png)
![Risk- reward ratio = 0.75](https://img.qammunity.org/2019/formulas/business/college/74pzfjiax2nm0e86v69fwmbt2lnu3ev4x2.png)
Mustang Associates:
![Risk -reward Ratio = (0.09/0.10) *100](https://img.qammunity.org/2019/formulas/business/college/n9eobpowiv4igzp8fyy79rl04lmi04dju1.png)
![Risk- reward ratio = 0.90](https://img.qammunity.org/2019/formulas/business/college/6296vcpq6p5cpy7rov57fg3w7akeuvt82d.png)