Answer:
22.88% probability that both have type 0 blood
45.91% probability that both have the same blood type
Step-by-step explanation:
We have these following probabilities:
US:
42% probability of type A- blood
11% probability of type B blood
3% probability of type AB- blood
44% probability of type O blood
Ireland:
35% probability of type A- blood
10% probability of type B blood
3% probability of type AB blood
52% probability of type O blood
Choose a person from the US and a person from Ireland at random, independently of each other. what is the probability that both have type 0 blood?
44% probability that a person from the US has type O blood.
52% probability that a person from Ireland has type O blood.
22.88% probability that both have type 0 blood
What is the probability that both have the same blood type?
Their blood types can be A, B, AB or O
Type A:
42% probability that a person from the US has type A blood.
52% probability that a person from Ireland has type A blood.
Type B:
11% probability that a person from the US has type B blood.
10% probability that a person from Ireland has type B blood.
Type AB:
3% probability that a person from the US has type AB blood.
3% probability that a person from Ireland has type AB blood.
Type O:
44% probability that a person from the US has type O blood.
52% probability that a person from Ireland has type O blood.
Total
45.91% probability that both have the same blood type