The blood-typing system is based on the presence or absence of antigens.  A person with antigen A has blood type A.  A person with antigen B has blood type B, and a person with both antigens has the blood type AB.  If there are no antigens, then the blood type is O.  In addition, blood types are also identified as Rh-positive or Rh-negative based on a different antigen. What is the probability that a person has the antigens A or B?

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The blood-typing system is based on the presence or absence of antigens.  A person with antigen A has blood type A.  A person with antigen B has blood type B, and a person with both antigens has the blood type AB.  If there are no antigens, then the blood type is O.  In addition, blood types are also identified as Rh-positive or Rh-negative based on a different antigen. What is the probability that a person has the antigens A or B? 

 

The image is a Venn diagram illustrating the distribution of blood types within a group. The diagram consists of three circles, intersecting with one another, each labeled with a blood type category: A, B, and Positive. Here's a detailed explanation of the diagram:

1. **Circle A**: Represents individuals with blood type A. 
   - Contains the numbers 6, 35, 3, and 1.

2. **Circle B**: Represents individuals with blood type B.
   - Contains the numbers 2, 9, 3, and 1.

3. **Circle Positive**: Represents individuals with a positive Rh factor.
   - Contains the numbers 37, 35, 9, 3, and 1.

**Intersections**:
- The intersection of circles A and B contains the number 1, indicating individuals with both blood types A and B.
- The intersection of circles A and Positive contains the numbers 35 and 3, indicating individuals with blood type A and a positive Rh factor.
- The intersection of circles B and Positive contains the numbers 9 and 3, indicating individuals with blood type B and a positive Rh factor.
- The intersection of all three circles contains the number 3, indicating individuals with blood types A, B, and a positive Rh factor.

**Outside the Circles**:
- The number 7 is outside the circles, representing individuals who do not fall into any of these categories.
Transcribed Image Text:The image is a Venn diagram illustrating the distribution of blood types within a group. The diagram consists of three circles, intersecting with one another, each labeled with a blood type category: A, B, and Positive. Here's a detailed explanation of the diagram: 1. **Circle A**: Represents individuals with blood type A. - Contains the numbers 6, 35, 3, and 1. 2. **Circle B**: Represents individuals with blood type B. - Contains the numbers 2, 9, 3, and 1. 3. **Circle Positive**: Represents individuals with a positive Rh factor. - Contains the numbers 37, 35, 9, 3, and 1. **Intersections**: - The intersection of circles A and B contains the number 1, indicating individuals with both blood types A and B. - The intersection of circles A and Positive contains the numbers 35 and 3, indicating individuals with blood type A and a positive Rh factor. - The intersection of circles B and Positive contains the numbers 9 and 3, indicating individuals with blood type B and a positive Rh factor. - The intersection of all three circles contains the number 3, indicating individuals with blood types A, B, and a positive Rh factor. **Outside the Circles**: - The number 7 is outside the circles, representing individuals who do not fall into any of these categories.
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