There Are 90 Passengers on a Commuter Flight from SFO

question 109

Multiple Choice

There are 90 passengers on a commuter flight from SFO to LAX, of whom 27 are traveling on business. In a random sample of five passengers, use the binomial model to find the approximate hypergeometric probability that there is at least one business passenger.

• A).3087
• B).1681
• C).3602
• D).8319

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Definitions:

Cytokines

Small proteins released by cells that have a specific effect on the interactions and communications between cells, especially in immune responses.

Cell-Mediated Immunity

A type of immunity that does not involve antibodies but involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

Antibody-Mediated Immunity

A form of immunity that involves the production of antibodies by B cells to neutralize pathogens.

Cytotoxic T Cell

A type of immune cell that kills cancer cells, cells that are infected with viruses (or other pathogens), or cells that are damaged in other ways.