The following histogram shows the distribution of serum cholesterol level (in milligrams per deciliter) for a sample of men. Use the histogram to answer the following questions. Relative Frequency 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Serum Cholesterol Part: 0/2 50% Part 1 of 2 30% 2004 The percentage of men with cholesterol levels above 220 is closest to (Choose one)