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A chain of video stores sells 3 different brands of video recorders(VCRS). 50% of its sales are brand 1 VCR's, 30% are brand 2 and 20% are brand 3. Each manufacturer offers a one year warranty on parts and labor. It is known that 25% of brand 1 VCR's require warranty repair work, whereas the corresponding percentages for brands 2 and 3 are 20% and 10% respectively. Let A1, A2 and A3 denote brands I, II and III respectively and B denotes a video recorder that needs a warranty repair work. If a customer returns to the store with a VCR that needs warranty repair work, what is the probability that it is a brand 2 VCR?

A chain of video stores sells 3 different brands of video recorders(VCRS). 50% of its sales are brand 1 VCR's, 30% are brand 2 and 20% are brand 3. Each manufacturer offers a one year warranty on parts and labor. It is known that 25% of brand 1 VCR's require warranty repair work, whereas the corresponding percentages for brands 2 and 3 are 20% and 10% respectively. Let A1, A2 and A3 denote brands I, II and III respectively and B denotes a video recorder that needs a warranty repair work. If a customer returns to the store with a VCR that needs warranty repair work, what is the probability that it is a brand 2 VCR?

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter10: Systems Of Equations And Inequalities
Section10.FOM: Focus On Modeling: Linear Programming
Problem 11P
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210730083626-38592 Soru 3 A chain of video stores sells 3 different brands of video recorders(VCRS). 50% of its sales are brand 1 VCR's, 30% are brand 2 and 20% are brand 3. Each manufacturer offers a one year warranty on parts and labor. It is known that 25% of brand 1 VCR's require warranty repair work, whereas the corresponding percentages for brands 2 and 3 are 20% and 10% respectively. Let A1, A2 and A3 denote brands I, II and III respectively and B denotes a video recorder that needs a warranty repair work. If a customer returns to the store with a VCR that needs warranty repair work, what is the probability that it is a brand 2 VCR? O a. 0.61 O b. 0.21 O c. 0.13 O d. 0.10 O e. 0.29 210730083626-38592 Önceki sayfa Sonraki sayfa hp
Transcribed Image Text:210730083626-38592 Soru 3 A chain of video stores sells 3 different brands of video recorders(VCRS). 50% of its sales are brand 1 VCR's, 30% are brand 2 and 20% are brand 3. Each manufacturer offers a one year warranty on parts and labor. It is known that 25% of brand 1 VCR's require warranty repair work, whereas the corresponding percentages for brands 2 and 3 are 20% and 10% respectively. Let A1, A2 and A3 denote brands I, II and III respectively and B denotes a video recorder that needs a warranty repair work. If a customer returns to the store with a VCR that needs warranty repair work, what is the probability that it is a brand 2 VCR? O a. 0.61 O b. 0.21 O c. 0.13 O d. 0.10 O e. 0.29 210730083626-38592 Önceki sayfa Sonraki sayfa hp
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