Which of the Following Statements Is Incorrect Regarding the Relationship

question 16

Multiple Choice

Which of the following statements is incorrect regarding the relationship between humans and microbes?

• A)The majority of microorganisms that colonize humans are pathogenic
• B)Microorganisms are benefited from their colonization of humans,whereas humans are unaffected by the relationship
• C)Humans are colonized by bacteria and fungi,but not viruses
• D)Not only do the majority of colonizing bacteria cause no harm to humans,the relationship is beneficial for both microbe and human host

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Definitions:

Level of Significance

A threshold in hypothesis testing, denoted by alpha, that determines the probability of rejecting a true null hypothesis, often set at 0.05 or 5%.

Testing

The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

Null Hypothesis

A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Ratio

A quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.