Mary and Carol are summer interns working as proofreaders for a local newspaper. Based on the aptitude test, Mary has a 50% chance of spotting a hyphenation error, while Carol picks up on that same kind of mistake 80% of the time. Assume that they work independently. Suppose the copy they are proofing contains a hyphenation error. What is the probability it goes detected?
Mary and Carol are summer interns working as proofreaders for a local newspaper. Based on the aptitude test, Mary has a 50% chance of spotting a hyphenation error, while Carol picks up on that same kind of mistake 80% of the time. Assume that they work independently. Suppose the copy they are proofing contains a hyphenation error. What is the probability it goes detected?
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 17E: If the spinner shown below is spun, find the probability of each event. Assume that the spinner...
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