Multiple Choice Questions (30 questions, each worth 2 ...

j) A black card and a 10. 17) Human Blood Types . Human blood is grouped into four types. The percentages of Americans with each type are listed below. O 43% A 40% B 12% AB 5%. Choose one American at random. Find the probability that this person. a. Has type O blood P(type O) = 0.43. b. Has type A or B P(type A or B) = 0.40+ 0.12 = 0.52 ................
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