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Bus. 4.46 The quality control department examines all the products returned to a store by custom- ers. An examination of the returned products yields the

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Bus. 4.46 The quality control department examines all the products returned to a store by custom- ers. An examination of the returned products yields the following assessment: 5% are defec- tive and not repairable, 45% are defective but repairable, 35% have small surface scratches but are functioning properly, and 15% have no problems. Compute the following probabilities for a random sample of 20 returned products: a. All of the 20 returned products have some type of problem. b. Exactly 6 of the 20 returned products are defective and not repairable. c. Of the 20 returned products, 6 or more are defective and not functioning properly. d. None of the 20 returned products has any sort of defect

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