All human blood can be “ABO-typed” as one of O, A, B or AB, but the probability distribution of the
Question: All human blood can be “ABO-typed” as one of O, A, B or AB, but the probability distribution of the types varies a bit among
groups of people. The table below gives the distribution of blood types for a randomly chosen person in the United States.
Blood Type | O | A | B | AB |
U.S. Probability | 0.45 | 0.40 | 0.11 | ? |
a. What is the probability that a randomly selected person in the US will have type AB blood?
b. Maria has type B blood. She can safely receive transfusions from people with blood types O and B. What is the probability that a randomly chosen American can donate blood to Maria?
Blood Type | O | A | B | AB |
China Probability | 0.35 | 0.27 | 0.26 | 0.12 |
c. Choose a US citizen and a citizen of China at random, independently of one another. What is
the probability that both have type O blood ?
d. Choose a US citizen and a citizen of China at random, independently of one another. What is
the probability that both have the same blood type?
Deliverables: Word Document
