Which of the Statements Regarding Smallpox Is TRUE

question 39

Multiple Choice

Which of the statements regarding smallpox is TRUE?

• A) Smallpox has been eliminated as a naturally occurring infection in human beings.
• B) Smallpox still occasionally occurs in developing countries.
• C) Smallpox outbreaks sometimes occur in chimpanzee populations.
• D) Smallpox has been eliminated by effective vaccination.
• E) Smallpox has been eliminated as a naturally occurring infection in human beings, AND has been eliminated by effective vaccination.

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Definitions:

P-value

A statistical measure that helps in determining the significance of results obtained in hypothesis testing, indicating the probability of observing the results if the null hypothesis were true.

Population Variation

Differences or variability within and among populations in terms of genetics, physical characteristics, behavior, or phenomena.

Sample Size

Refers to the number of observations or data points that are used in a statistical sample for the purpose of estimation or hypothesis testing.

Null Hypothesis

A default position that posits no effect or no difference exists between groups or variables in a given study.