Among Caucasians, the American Red Cross lists the following blood types for the U.S. population: 31% have O+, 8% have O-, 32% have A+, 9% have A-, 7% have B+, 2% have B-, and 2% have AB+ (Source: http://www.redcrossblood. org/learn-about-blood/blood-types). Based on these percents, what percent of the U.S. population have blood type AB-?
A) 9 %
B) 12 %
C) 13 %
D) 11 %
E) 10 %
A) 9 %
Health & Biomechanics
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