Use the Tree Diagram to Find the Requested Probability

question 45

Multiple Choice

Use the tree diagram to find the requested probability.
-Find P(XIA) .Give your answer as a decimal and round your answer to three decimal places if necessary. a = 0.1,b = 0.9,c = 0.8,d = 0.2,e = 0.3,f = 0.7

• A)0.08
• B)0.073
• C)0.229
• D)0.8

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Definitions:

Antibody

Protein found in the plasma that is responsible for humoral immunity; binds specifically to antigen.

T Cell

A type of lymphocyte that plays a central role in cell-mediated immunity, capable of directly killing infected host cells or activating other immune cells.

B Cell

A type of white blood cell that plays a significant role in the immune response by producing antibodies.

Positive Selection

A process in the immune system where developing T-cells are selected for their ability to recognize and bind to self-MHC molecules, crucial for immune response.