A Fast-Food Restaurant Chain with 700 Outlets in the United

question 218

Essay

A fast-food restaurant chain with 700 outlets in the United States has recorded the geographic location of its restaurants in the accompanying table of percentages. One restaurant is to be chosen at random from the 700 to test market a chicken sandwich. $\begin{array}{rrrrrr} & {\text { Region }} \\\hline & & \text { NE } & \text { SE } & \text { SW } & \text { NW } \\\hline &<10,000 & 7 \% & 6 \% & 3 \% & 0 \% \\\text { Population of City } & 10,000-100,000 & 15 \% & 4 \% & 12 \% & 5 \% \\& >100,000 & 20 \% & 4 \% & 1 \% & 23 \%\end{array}$
What is the probability that the restaurant is located in the western portion of the United States?

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Definitions:

Deuterostomes

A group of animals characterized by their embryonic development; during which the anus forms before the mouth.

Protostomes

Protostomes are a group of animals characterized by an embryonic development in which the mouth forms before the anus during early gastrulation.

Evolutionary Development

The study of how evolutionary processes guide the development of organisms.

Hox Genes

Hox genes are a group of related genes that control the body plan of an embryo along the head-tail axis by specifying regions of development in early embryonic segments.