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5000 teleVision se ercent Tive years thout hee repair. In order to test this claim, a consumer group randomly selects 355 consumers who have owned a ColorSmart-50 set for five years. Of these 355 consumers, 302 say their ColorSmart-5000 television sets did not need a repair, wherea ColorSmart-5000 television sets did need at least one repair. (a) Find a 99 percent confidence interval for the proportion of all ColorSmart-5000 television sets that have lasted at le without needing a single repair. (Round your answers to 3 decimal places.)

5000 teleVision se ercent Tive years thout hee repair. In order to test this claim, a consumer group randomly selects 355 consumers who have owned a ColorSmart-50 set for five years. Of these 355 consumers, 302 say their ColorSmart-5000 television sets did not need a repair, wherea ColorSmart-5000 television sets did need at least one repair. (a) Find a 99 percent confidence interval for the proportion of all ColorSmart-5000 television sets that have lasted at le without needing a single repair. (Round your answers to 3 decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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The manufacturer of the ColorSmart-5000 television set claims 95 percent of its sets last at least five years without needing a single repair. In order to test this claim, a consumer group randomly selects 355 consumers who have owned a ColorSmart-5000 television set for five years. Of these 355 consumers, 302 say their ColorSmart-5000 television sets did not need a repair, whereas 53 say their ColorSmart-5000 television sets did need at least one repair. (a) Find a 99 percent confidence interval for the proportion of all ColorSmart-5000 television sets that have lasted at least five years without needing a single repair. (Round your answers to 3 decimal places.) The 99 percent confidence interval is
Transcribed Image Text:The manufacturer of the ColorSmart-5000 television set claims 95 percent of its sets last at least five years without needing a single repair. In order to test this claim, a consumer group randomly selects 355 consumers who have owned a ColorSmart-5000 television set for five years. Of these 355 consumers, 302 say their ColorSmart-5000 television sets did not need a repair, whereas 53 say their ColorSmart-5000 television sets did need at least one repair. (a) Find a 99 percent confidence interval for the proportion of all ColorSmart-5000 television sets that have lasted at least five years without needing a single repair. (Round your answers to 3 decimal places.) The 99 percent confidence interval is
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