# Probability of O & AB Blood Types

• MHB
• qtko
In summary, out of 200 people, 40 have type A blood, 75 have type B blood, 60 have type O blood, and 25 have type AB blood. The probability of randomly selecting a person with type O blood is 30%, and the probability of selecting a person with type AB blood is 12.5%.
qtko
1. The blood groups of 200 people are distributed as follows: 40 have type A blood, 75 have type B blood, 60 have type O blood, and 25 have type AB blood. If a person from any of the group is selected at random, what is the probability that this person has an O blood type? How about the AB blood type? i hope you will help me.

Do you not know the basic definition of probability? You are told that, out of 200 people, 60 have type O blood. 60 is what percent of 200? You are told that, out of 200 people, 25 have type AB blood. 25 is what percent of 200?

## 1. What is the probability of having an O blood type?

The probability of having an O blood type is approximately 44% in the general population. This means that roughly 4 out of 10 people will have an O blood type.

## 2. What is the probability of having an AB blood type?

The probability of having an AB blood type is approximately 4% in the general population. This means that only about 1 out of 25 people will have an AB blood type.

## 3. Is there a connection between O and AB blood types?

Yes, there is a connection between O and AB blood types. O is considered the universal donor, meaning that those with O blood type can donate to any other blood type. AB is considered the universal recipient, meaning that those with AB blood type can receive blood from any other blood type.

## 4. Can a child have a different blood type than their parents?

Yes, it is possible for a child to have a different blood type than their parents. This is because blood type is determined by genetics, and a child can inherit different blood type alleles from their parents.

## 5. What factors can affect the probability of having a certain blood type?

Some factors that can affect the probability of having a certain blood type include genetics, ethnic background, and geographical location. For example, certain blood types are more common in certain ethnicities or regions.

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