Two students are working as part-time proofreaders for a local newspaper. Based on previous aptitude tests, Student X has a 55% chance of spotting a spelling error which Student Y has a 68% chance. Suppose the copy they are editing contains a spelling error. Assume that they work independently. What is the probability of both of them spotting the spelling error? What is the probability that the error is undetected
Two students are working as part-time proofreaders for a local newspaper. Based on previous aptitude tests, Student X has a 55% chance of spotting a spelling error which Student Y has a 68% chance. Suppose the copy they are editing contains a spelling error. Assume that they work independently. What is the probability of both of them spotting the spelling error? What is the probability that the error is undetected
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Two students are working as part-time proofreaders for a local newspaper. Based on previous aptitude tests, Student X has a 55% chance of spotting a spelling error which Student Y has a 68% chance. Suppose the copy they are editing contains a spelling error. Assume that they work independently.
-
- What is the probability of both of them spotting the spelling error?
- What is the probability that the error is undetected?
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