Question

which blood type is the most unusual?

blood type	o	a	b	ab

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

Explanation:

Step1: Compare the probabilities.

We have probabilities 0.45 (Type O), 0.41 (Type A), 0.10 (Type B), 0.04 (Type AB).

Step2: Identify the smallest probability.

The smallest probability is 0.04 which corresponds to Type AB.

Answer:

Blood Type AB