Instruction 15-14
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.
$$\begin{array} { | c | c | c | c | }
\hline & \text { Hong Kong } & \text { New York } & \text { Paris } \
\hline \text { Yes } & 86 \% & 65 \% & 78 \% \
\text { No } & 14 \% & 24 \% & 22 \% \
\hline
\end{array}$$ 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 Instruction 15-14,the decision made suggests that the three cities do not all have the same proportion of hotels that correctly post minibar charges.

Question

Instruction 15-14
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.
 $$\begin{array} { | c | c | c | c | } 
\hline & \text { Hong Kong } & \text { New York } & \text { Paris } \
\hline \text { Yes } & 86 \% & 65 \% & 78 \% \
\text { No } & 14 \% & 24 \% & 22 \% \
\hline
\end{array}$$ 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 Instruction 15-14,the decision made suggests that the three cities do not all have the same proportion of hotels that correctly post minibar charges.

Quizplus · Accepted Answer

The decision suggests that there is a statistically significant difference in the proportions of hotels that correctly post minibar charges among the three cities, as indicated by the given percentages and the level of significance.

Instruction 15-14 Data on the Percentage of 200 Hotels in Each

Instruction 15-14
Data on the Percentage of 200 Hotels in Each