Which Region of the Skin Supports the Largest Bacterial Population

question 21

Multiple Choice

Which region of the skin supports the largest bacterial population?

• A) forearms
• B) armpits
• C) scalp
• D) feet
• E) All of these support similarly sized bacterial populations.

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Definitions:

Standard Normal Probability Distribution

A probability distribution that has a mean of 0 and a standard deviation of 1, used in statistics to represent standardized values of a dataset.

Z-statistic

A statistical measure that represents the number of standard deviations a data point is from the mean of a data set.

Probabilities

Measuring how likely it is for an event to occur, using a numeric scale that falls between 0 and 1.

Normal Probability Distribution

A bell-shaped probability distribution characterized by its mean and standard deviation, describing how random values are spread or dispersed.