Answer: Asset A
Step-by-step explanation:
The risk-averse investor will prefer the asset that has a lesser standard deviation because it indicates less risk.
Reward-to-variability ratio = Expected return/ standard deviation
Standard deviation = Expected return / reward-to-variability ratio
Asset A deviation = 0.15/0.4 = 0. 375
Asset B deviation = 0.2/0.3 = 0.667
Risk Averse investor will pick Asset A with the lesser deviation.