A marketing research company surveyed grocery shoppers in the east and west coasts to see the percentage of the customers who prefer chicken to other meat.The data are given below. $$\begin{array} { l c c }
& \text { Sample size } & \begin{array} { c }
\text { Number of customers in the } \
\text { sample that prefer chicken }
\end{array} \
\text { East Coast } & 492 & 156 \
\text { West Coast } & 386 & 172
\end{array}$$
-Determine the 95% confidence interval for the difference between the proportion of customers who prefer chicken at the West Coast and the proportion of customers who prefer chicken at the East Coast.

Question

A marketing research company surveyed grocery shoppers in the east and west coasts to see the percentage of the customers who prefer chicken to other meat.The data are given below. $$\begin{array} { l c c } 
& \text { Sample size } & \begin{array} { c } 
\text { Number of customers in the } \
\text { sample that prefer chicken }
\end{array} \
\text { East Coast } & 492 & 156 \
\text { West Coast } & 386 & 172
\end{array}$$
-Determine the 95% confidence interval for the difference between the proportion of customers who prefer chicken at the West Coast and the proportion of customers who prefer chicken at the East Coast.

Quizplus · Accepted Answer

The Answer of A marketing research company surveyed grocery shoppers in the east and west coasts to see the percentage of the customers who prefer chicken to other meat.The data are given below. $$\begin{array} { l c c } 
& \text { Sample size } & \begin{array} { c } 
\text { Number of customers in the } \
\text { sample that prefer chicken }
\end{array} \
\text { East Coast } & 492 & 156 \
\text { West Coast } & 386 & 172
\end{array}$$
-Determine the 95% confidence interval for the difference between the proportion of customers who prefer chicken at the West Coast and the proportion of customers who prefer chicken at the East Coast.

A Marketing Research Company Surveyed Grocery Shoppers in the East