A Common Portal of Entry for Microorganisms Is/are

question 4

Multiple Choice

A common portal of entry for microorganisms is/are:

• A)milk
• B)blood vessels
• C)saliva ducts
• D)mucous membranes

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Definitions:

Independence

A situation in statistics where two events are not influenced by each other, and the occurrence of one does not affect the probability of occurrence of the other.

Chi-Square Statistic

A statistical measure used to evaluate the differences between observed and expected frequencies in categorical variables.

Observed Frequencies

The number of times a particular value or event actually occurs in a dataset.

Expected Frequencies

In statistical analysis, these refer to the counts predicted by a probability model or theoretical distribution, used in the comparison of observed data for goodness-of-fit tests.