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

question 54

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 null hypothesis will be rejected.

---

Definitions:

Negative Slope

A feature of a line on a graph that indicates a decrease in the dependent variable as the independent variable increases.

Production Possibilities

The different quantities of goods and services that an economy can produce given its available resources and technology, as represented by a production possibility curve.

Better Technology

Improvements or advancements in technology that increase efficiency or productivity.

Concave Production Possibilities Curve

A graphical representation indicating increasing opportunity costs as more of one good is produced, resulting in a bowed-out shape.