Suppose the mean of a returns distribution is 6.1%, and the standard deviation is 3.3%. Roughly, what is the likelihood of those returns being less than 2.8%%? 5% 16% 33% 10% Suppose the mean of a returns distribution is 6.1%, and the standard deviation is 3.3%. Roughly, what is the likelihood of those returns being less than 2.8%%? 5% 16% 33% 10%