A Quality Control Inspector Keeps a Tally Sheet of the Numbers

question 57

Essay

A quality control inspector keeps a tally sheet of the numbers of acceptable and unacceptable products that come off two different production lines. The completed sheet is shown below. $$\begin{array} { | c | c | c | } \hline \text { Production line } & \begin{array} { c } \text { Acceptable } \\\text { products }\end{array} & \begin{array} { c } \text { Unacceptable } \\\text { products }\end{array} \\\hline 1 & 152 & 48 \\\hline 2 & 136 & 54 \\\hline\end{array}$$ Can the inspector infer at the 5% significance level that production line 1 is doing a better job than production line 2?

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Definitions:

State Governments

The governing bodies of each of the 50 states in the United States, which have the power to create and enforce laws within their respective territories under the U.S. Constitution.

Firefighters

Trained professionals responsible for extinguishing fires, rescuing individuals, and protecting public safety during emergencies.

Open Shop

A workplace where membership in a union is not a requirement for employees to be hired or maintain their positions.

Nonunion Members

Individuals who are employed in a workplace represented by a labor union but choose not to join or associate with the union.