The Random Variable X Has a Hypergeometric Distribution,and the Population

question 50

Multiple Choice

The random variable x has a hypergeometric distribution,and the population contains 12 items.If you wanted to find the number of defects in a random sample of 3 selected items when the population contains 5 defects,identify the N,n,and r.

• A) N = 3,n = 12,r = 5
• B) N = 5,n = 12,r = 7
• C) N = 12,n = 5,r = 3
• D) N = 12,n = 3,r = 5

---

Definitions:

T Cells

A type of white blood cell that plays a central role in the immune response by attacking infected or cancerous cells.

Antigen-presenting Cells

Specialized cells that process and present antigens to T-cells, initiating an immune response.

Cold Viruses

Viruses responsible for the common cold, primarily rhinoviruses, which infect the respiratory tract and trigger symptoms like coughing and sneezing.

Thymus Gland

An endocrine gland that functions as part of the lymphatic system; processes T cells; important in cell-mediated immunity.