Chance Corporation produces beauty products. Two years ago the quality control department at the company conducted a

Question:

Chance produces beauty products. Two years ago the quality control department at the company conducted a survey of users of one of the company’s products. The survey revealed that 53% of the users said the product was excellent, 31% said it was satisfactory, 7% said it was unsatisfactory, and 9% had no opinion. Assume that these percentages were true for the population of all users of this product at that time. After this survey was conducted, the company redesigned this product. A recent survey of 800 users of the redesigned product conducted by the quality control department at the company showed that 495 of the users think the product is excellent, 255 think it is satisfactory, 35 think it is unsatisfactory, and 15 have no opinion. Is the percentage of the opinions of users of the redesigned product different from the percentage of users of this product before it was redesigned? Use α = .025.
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