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In a recent market research survey, 500 married couples were asked to check the appropriate box or boxes on the following form. OD We own a Blu-ray player. We own a microwave oven. The results were tabulated as follows: 309 couples checked the Blu-ray player box, 391 checked the microwave oven box, and 218 checked both boxes. (a) Draw a Venn diagram illustrating the results of the survey. (Region Blu-ray represents couples owning Blu-ray players and Region M represents couples owning microwave ovens. Enter o for any empty subset.) U Blu-ray M (b) What percent of these couples own a Blu-ray player or a microwave oven? (Round your answer to one decimal place.) %