Determining probability of having type o blood

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Reference no: EM1319232

Q1) All human blood can be "ABO-typed" as one of O, A, B or AB, but probability distribution of types varies a bit among groups of people. Table below provides distribution of blood types for randomly chosen person in the United States.

Blood Type	O	A	B	AB
U.S. Probability	0.45	0.40	0.11	?

a) Determine the probability that randomly selected person in US will have type AB blood?

b) Maria has type B blood. She can safely get transfusions from people with blood types O and B. Determine the probability that 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) Select a US citizen and a citizen of China at random, independently of one another. Determine the probability that both have type O blood ?

d) Select a US citizen and a citizen of China at random, independently of one another. Determine the probability that both have the same blood type?

Reference no: EM1319232

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