Provide an appropriate response. Express your answer as a simplified fraction unless otherwise noted.
A fast-food restaurant chain with 700 outlets in the United States describes the geographic location of its restaurants with the accompanying table of percentages. A restaurant is to be chosen at random from the 700 to test market a new style of chicken. Given that the restaurant is located in the eastern United States, what is the probability it is located in a city with a population of at least 10,000? Round your answer to the nearest thousandth.
◦ 0.766
◦ 0.234
◦ 0.598
◦ 0.49