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. $$\begin{array} { | c | c | c | }
\hline \text { Production line } & \begin{array} { c }
\text { Acceptable } \
\text { products }
\end{array} & \begin{array} { c }
\text { Unacceptable } \
\text { products }
\end{array} \
\hline 1 & 152 & 48 \
\hline 2 & 136 & 54 \
\hline
\end{array}$$ a. What is the p-value of the test?
b. Estimate with 95% confidence the difference in population proportions.

Question

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. $$\begin{array} { | c | c | c | } 
\hline \text { Production line } & \begin{array} { c } 
\text { Acceptable } \
\text { products }
\end{array} & \begin{array} { c } 
\text { Unacceptable } \
\text { products }
\end{array} \
\hline 1 & 152 & 48 \
\hline 2 & 136 & 54 \
\hline
\end{array}$$ a. What is the p-value of the test?
b. Estimate with 95% confidence the difference in population proportions.

Quizplus · Accepted Answer

The Answer of 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. $$\begin{array} { | c | c | c | } 
\hline \text { Production line } & \begin{array} { c } 
\text { Acceptable } \
\text { products }
\end{array} & \begin{array} { c } 
\text { Unacceptable } \
\text { products }
\end{array} \
\hline 1 & 152 & 48 \
\hline 2 & 136 & 54 \
\hline
\end{array}$$ a. What is the p-value of the test?
b. Estimate with 95% confidence the difference in population proportions.

A Quality Control Inspector Keeps a Tally Sheet of the Numbers