Are Customers More Loyal in the East or in the West

question 23

Multiple Choice

Are customers more loyal in the East or in the West? The following table is based on information from Trends in the United Sates, published by the food marketing Institute, Washington, D.C. The columns represent loyalty (in years) at a primary supermarket. The rows represent regions of the United States. $$\begin{array} { l c r r r r r r } &\text { Less Than } & 1-2 & 3-4 & 5-9 & 10-14 & 15 \text { or More } & \text { Row Total } \\&1 \text { Year } & \text { Years } & \text { Years } & \text { Years } & \text { Years } & \text { Years }\\\text { East } & 32 & 54 & 59 & 112 & 77 & 118 & 452 \\\text { Midwest } & 31 & 68 & 68 & 120 & 63 & 173 & 523 \\\text { South } & 53 & 92 & 93 & 158 & 106 & 158 & 660 \\\text { West } & 41 & 56 & 67 & 78 & 45 & 86 & 373 \\\text { Column Total } & 157 & 270 & 287 & 468 & 291 & 535 & 2008\end{array}$$ What is the probability that a customer chosen at random has been loyal 5 or more years given that he or she is from the Midwest? Round your answer to the nearest thousandth.

• A)0.177
• B)0.275
• C)0.681
• D)0.417
• E)none of these choices

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Definitions:

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