For a certain distribution,the measurement 12.1 is 1.5 stand
For a certain distribution,the measurement 12.1 is 1.5 standard deviations below the mean,and the measurement 17.5 is 3.0 standard deviations above the mean.What is the mean of the distribution?
A) 13.8 B) 13.9 C)14.0 D) 14.1 E) 14.2