Suppose That A₁,A₂,and B Are Events Where A₁ and A₂

question 85

Multiple Choice

Suppose that A₁,A₂,and B are events where A₁ and A₂ are mutually exclusive events and
P(A₁) = .7 P(A₂) = .3 P(B│A₁) = .2 P(B│A₂) = .4
Find P(A₁│B) .

• A)0.12
• B)0.26
• C)0.21
• D)0.14
• E)0.28

---

Definitions:

Blood Type

This refers to the classification of human blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells. The most common classifications are A, B, AB, and O.

Rh Type

A classification of human blood based on the presence or absence of the RhD antigen on the surface of red blood cells, important in determining blood compatibility.

Erythroblastosis Fetalis

A serious anemia that develops in a fetus with Rh-positive blood as a result of antibodies in an Rh-negative mother’s body.

Embolus

A blood clot, air bubble, piece of fatty deposit, or other object that has been carried in the bloodstream to lodge in a vessel and cause an embolism.