A Study of the Effectiveness of a Flu Vaccine Was

question 36

Multiple Choice

A study of the effectiveness of a flu vaccine was conducted with a sample of 503 people.Some participants in the study were given no vaccine,some were given one injection,and some were given two injections.The results of the study are listed in the table. $$\begin{array} { | l | l | l | l | l | } \hline & \text { No vaccine } & \text { One injection } & \text { Two injections } & \text { Total } \\\hline \text { Flu } & 9 & 5 & 19 & 33 \\\hline \text { No flu } & 148 & 60 & 262 & 470 \\\hline \text { Total } & 157 & 65 & 281 & 503 \\\hline\end{array}$$
A person is selected at random from the sample.Find the specified probability that the person did not get the flu.Round your anser to one decimal place.

• A)81.4%
• B)89.4%
• C)85.4%
• D)77.4%
• E)93.4%

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Definitions:

Sociologists

Experts who study society and social behavior by examining the groups, cultures, organizations, social institutions, and processes that people develop.

Culture of Poverty

A concept suggesting that poverty is not just a result of economic insufficiency but is also shaped by values and behaviors passed down within impoverished communities that hinder their members from escaping poverty.

Fatalistic

Pertaining to the belief that all events are predetermined and therefore inevitable, leading to a resignation to outcomes.

Resigned Attitude

A psychological state where an individual accepts a situation or condition as inevitable, often with a sense of powerlessness.