Instruction 15-8
Data on the Percentage of 200 Hotels in Each

question 102

True/False

Instruction 15-8
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 15-8,the decision made suggests that the three cities do not all have the same proportion of hotels that correctly post minibar charges.

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