A company that makes‹ hair-care products had 2 comma 0002,000 people try a new shampoo. of the 2 comma 0002,000 ‹people, 44 had a mild allergic reaction. what percent of the people had a mild allergic‹ reaction?
a) 0.22%
b) 0.44%
c) 2.2%
d) 4.4%