According to her doctor, Mrs. Watson's cholesterol level is higher than only 10% of the females aged 50 and over. The cholesterol levels among females aged 50 mg mg and over are approximately normally distributed with a mean of 230 and a standard deviation of 20 What is Mrs. Watson's cholesterol level? Carry dL dL your intermediate computations to at least four decimal places. Round your answer to one decimal place. A mg dL