Blood types vary All human blood can be typed as one of O, A, B, or AB, but the distribution of the types varies with race. Here is the distribution of blood types of black Americans. Suppose we choose one black American at random. Blood type Probability (a) What is the probability that the chosen person has type AB blood? Why? (b) Find the probability that the chosen person does not have type AB blood. 5. 9272 O 0.49 A 0.27 B 0.20 AB ?

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Blood types vary All human blood can be typed as one of O, A, B, or AB,
but the distribution of the types varies with race. Here is the distribution of
blood types of black Americans. Suppose we choose one black American
at random.
Blood type
A
Probability
0.27
(a) What is the probability that the chosen person has type AB blood? Why?
(b) Find the probability that the chosen person does not have type AB blood.
5.
pg 272
O
0.49
B
0.20
AB
?
Transcribed Image Text:Blood types vary All human blood can be typed as one of O, A, B, or AB, but the distribution of the types varies with race. Here is the distribution of blood types of black Americans. Suppose we choose one black American at random. Blood type A Probability 0.27 (a) What is the probability that the chosen person has type AB blood? Why? (b) Find the probability that the chosen person does not have type AB blood. 5. pg 272 O 0.49 B 0.20 AB ?
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