Here is the probability model for the blood type of a randomly chosen person in the United States.
What is the probability that a randomly chosen American does not have type O blood?
% Round to the nearest 0.01%
All of the probabilities sum to 1.0
1 - type O prob = all others
1 - .47 = .53
All of the probabilities sum to 1.0
1 - type O prob = all others
1 - .47 = .53