11. a. The manufacturers are interested in estimating the percentage of defective light bulbs coming from a certain process. They want a 90% confidence interval with a margin of error of 2%. How many light bulbs must they test? Choices: (a) 50 (b) 500 (c) 800 (d) 2000 (e) 3000 11. b. Same question as in the previous problem, but assume they had a reason to believe the proportion is fairly close to 6%. How large a sample must they test? Choices: (a) 50 (b) 500 (c) 800 (d) 2000 (e) 3000

11. a. The manufacturers are interested in estimating the percentage of defective light bulbs coming from a certain process. They want a 90% confidence interval with a margin of error of 2%. How many light bulbs must they test? Choices: (a) 50 (b) 500 (c) 800 (d) 2000 (e) 3000 11. b. Same question as in the previous problem, but assume they had a reason to believe the proportion is fairly close to 6%. How large a sample must they test? Choices: (a) 50 (b) 500 (c) 800 (d) 2000 (e) 3000

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 58E: What is meant by the sample space of an experiment?

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