Question

which blood type is the most unusual?

blood type	o	a	b	ab
probability	0.45	0.41	0.10	0.04

blood type o
blood type a
blood type b
blood type ab

next question

Explanation:

Step1: Compare the probabilities

We are given probabilities for blood - types O (0.45), A (0.41), B (0.10), and AB (0.04). The lower the probability, the more unusual the blood type.

Step2: Identify the lowest probability

Among 0.45, 0.41, 0.10, and 0.04, the lowest value is 0.04.

Answer:

Blood Type AB