A Hypergeometric Random Variable X Has a Distribution That Is

question 3

Multiple Choice

A hypergeometric random variable x has a distribution that is approximated by a binomial distribution when:

• A)The number of successes is larger than the number of failures in the population.
• B)A sample is selected from the population without replacement.
• C)The population is much larger than the sample size.
• D)The sample size is half the size of the original population.

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Definitions:

Antibodies

Proteins produced by the immune system to help fight off pathogens such as viruses and bacteria.

Cytokines

Chemicals secreted by T lymphocytes in response to an antigen. Cytokines increase T- and B-cell production, kill cells that have antigens, and stimulate red bone marrow to produce more white blood cells.

Major Histocompatibility Complex

A group of genes that play a critical role in the immune system's recognition of foreign molecules.

Activates T Cells

The process involved in stimulating T lymphocytes, a type of white blood cell, to respond to pathogens or infected cells.