TABLE 12-20
Data on the percentage of 200 hotels in each of the three large cities across the world on whether minibar charges are correctly posted at checkout are given below.
$\begin{array}{cccc}
\hline& \text { Hong Kong } & \text { New York } & \text { Paris } \
\hline\text { Yes } & 86 \% & 76 \% & 78 \% \
\text { No } & 14 \% & 24 \% & 22 \%\\hline
\end{array}$
At the 0.05 level of significance, you want to know if there is evidence of a difference in the proportion of hotels that correctly post minibar charges among the three cities.
-Referring to Table 12-20, there is sufficient evidence to conclude that the proportions between Hong Kong and Paris are different at a 0.05 level of significance.

Question

TABLE 12-20 
 Data on the percentage of 200 hotels in each of the three large cities across the world on whether minibar charges are correctly posted at checkout are given below.
 $\begin{array}{cccc} 
\hline& \text { Hong Kong } & \text { New York } & \text { Paris } \
\hline\text { Yes } & 86 \% & 76 \% & 78 \% \
\text { No } & 14 \% & 24 \% & 22 \%\\hline
\end{array}$
 At the 0.05 level of significance, you want to know if there is evidence of a difference in the proportion of hotels that correctly post minibar charges among the three cities.
-Referring to Table 12-20, there is sufficient evidence to conclude that the proportions between Hong Kong and Paris are different at a 0.05 level of significance.

Quizplus · Accepted Answer

To determine if there is a significant difference between the proportions, a statistical test such as a chi-square test for independence or a z-test for proportions would be needed. The information provided does not include the necessary test results or calculations to conclude that the proportions between Hong Kong and Paris are significantly different at the 0.05 level.

TABLE 12-20 Data on the Percentage of 200

TABLE 12-20
Data on the Percentage of 200