Question: 9.21 The probability that a randomly chosen American has type AB blood must be (a) any number between 0 and 1. (b) 0.04. (c) 0.4.

9.21 The probability that a randomly chosen American has type AB blood must be

(a) any number between 0 and 1.

(b) 0.04.

(c) 0.4.

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