There Were 27 Students at the Picnic, of Which 18

question 20

Multiple Choice

There were 27 students at the picnic, of which 18 developed illness. The attack rate was thus nearly 67%. What does this mean?

• A) The attack rate describes the number of susceptible people who become ill in a population after exposure to an infectious agent, in this case 67%.
• B) The attack rate is the number of new cases in a specific time period in a given population, in this case 27.
• C) This describes the number of people in a defined population who die during a given period, in this case nearly 18%.
• D) The attack rate is the total number of cases at any time or for a specific period in a given population, in this case 27.
• E) It describes the situation in which a particular disease arises from several genera of a person's own normal microbiota, in this case 18.

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Definitions:

Resource (Labor)

Human effort, both physical and mental, used in the production of goods and services.

Short Run

A period of time in economics during which at least one factor of production is fixed, limiting the capacity to adjust to changes in demand or market conditions.

Long Run

Describes a period in which all factors of production and costs are variable, allowing for the adjustment of all inputs and technology by firms.

Fixed Resource

Refers to a factor of production that remains constant, regardless of the level of output or activity in the short term.