SOLUTION: Here is the probability model for the blood type of a randomly chosen person in the United States.
Blood type O A B AB
Probability 0.53 0.21 0.03 0.23
What is the probabili
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Question 1050724: Here is the probability model for the blood type of a randomly chosen person in the United States.
Blood type O A B AB
Probability 0.53 0.21 0.03 0.23
What is the probability that a randomly chosen American does not have type O blood?
% Round to the nearest 0.01%
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
the probability of having the particular blood type is:
type o = .53
type a = .21
type b = .03
type ab = .23
the probability of having type o is .53.
the probability of not having type o is 1 - .53 = .47
the sum of all probabilities has to be equal to 1.
.53 + .21 + .03 + .23 = 1.
the probabilities are correct.
the probability of not having type o is also the probability of having any of the other 3 types.
that would be equal to .21 + .03 + .23 = .47.
the general formula would be p(not a) is equal to 1 - p(a), where a is the event.
in this case, the event is having blood type O.
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