11:57 AM Thu Mar 10 . .. AA www-awu.aleks.com a C h + { my|HACC|edu - Portal B McGraw-Hill ALEKS - MATH-202-... X A ALEKS - Tinika Dekeyser E O RANDOM VARIABLES AND DISTRIBUTIONS Normal distribution: Finding a mean or standard deviation 1/5 Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 13.8 dL . Research shows that exactly 95% of healthy females have a hemoglobin level below 16 -. What is the dL ' standard deviation of the distribution of hemoglobin levels in healthy females? Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places. X 5 ? dL