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 Sates.

Less Than 1 Year12 Years34 Years59 Years1014 Years15 or More YearsRow TotalEast32545911277118452Midwest31686812063173523South539293158106158660West415667784586373Column Total1572702874682915352008

What is the probability that a customer chosen at random has been loyal from 10 to 14 years? Round your answer to the nearest thousandth.