10. A couple of years ago, a survey found that 38% of American drivers favored U.S. cars, while 33% preferred Asian brands, with the remaining 29% going for other foreign cars. A researcher wonders whether today's preferences for cars have changed. He surveys 200 Americans and finds that the number of respondents who prefer American, Asian, and other foreign cars are 66, 70, and 64, respectively. At the 5% significance level, can the researcher conclude that today's preferences have changed