The average height of Non Hispanic Black Females aged 20 and over in the United States is 64.2 inches with a standard deviation of about 2.1 inches. Also, the data is normally distributed. Knowing this, what percentage of Non Hispanic Black Females have a height under 60 inches? Round answer to two decimal places if needed. Hint 68%, 95%, 99.7%. About % of Non Hispanic Black Females have a height under 60 inches. (Data from https://www.cdc.govchs/data/series/sr_03/sr03_039.pdf)