11)
Blood Type Male Female
A 105 93
B 99 84
O 160 140
AB 15 18
A survey of patients at a hospital classified them by sex and blood type, as shown in the table. What percent of the female patients have type-O blood? [Round the answer to the nearest tenth of a percent.]
A) 41.8%
B) 46.7%
C) 47.8%
D) 71.8%