Intro Stats
4th Edition
ISBN: 9780321825278
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 39E
Unsafe food Early in 2010, Consumer Reports published the results of an extensive investigation of broiler chickens purchased from food stores in 23 states. Tests for bacteria in the meat showed that 62% of the chickens were contaminated with campylobacter, 14% with salmonella, and 9% with both.
- a) What’s the
probability that a tested chicken was not contaminated with either kind of bacteria? - b) Are contamination with the two kinds of bacteria disjoint? Explain.
- c) Are contamination with the two kinds of bacteria independent? Explain.
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Chapter 13 Solutions
Intro Stats
Ch. 13.1 - Prob. 1JCCh. 13.3 - Prob. 2JCCh. 13.4 - Prob. 3JCCh. 13 - Pet ownership Suppose that 25% of people have a...Ch. 13 - Cooking and shopping Forty-five percent of...Ch. 13 - Sports What is the probability that a person likes...Ch. 13 - Prob. 4ECh. 13 - Late to the train A student figures that he has a...Ch. 13 - Field goals A nervous kicker usually makes 70% of...Ch. 13 - Titanic On the Titanic, the probability of...
Ch. 13 - Prob. 8ECh. 13 - Facebook Facebook reports that 70% of its users...Ch. 13 - Prob. 10ECh. 13 - Prob. 11ECh. 13 - Prob. 12ECh. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Prob. 20ECh. 13 - Prob. 21ECh. 13 - 22. Pets In its monthly report, the local animal...Ch. 13 - Health The probabilities that an adult American...Ch. 13 - Immigration The table shows the political...Ch. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28ECh. 13 - Prob. 29ECh. 13 - Prob. 30ECh. 13 - Batteries A junk box in your room contains a dozen...Ch. 13 - Prob. 32ECh. 13 - Eligibility A university requires its biology...Ch. 13 - Benefits Fifty-six percent of all American workers...Ch. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - Prob. 38ECh. 13 - Unsafe food Early in 2010, Consumer Reports...Ch. 13 - 40. Birth order, finis In Exercises 20 and 26, we...Ch. 13 - Prob. 41ECh. 13 - Prob. 42ECh. 13 - Prob. 43ECh. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Cars A random survey of autos parked in student...Ch. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - Prob. 49ECh. 13 - Prob. 50ECh. 13 - Prob. 51ECh. 13 - Prob. 52ECh. 13 - Prob. 53ECh. 13 - Prob. 54ECh. 13 - Drunks Police often set up sobriety...Ch. 13 - No-shows An airline offers discounted...Ch. 13 - Prob. 57ECh. 13 - Parts A company manufacturing electronic...Ch. 13 - HIV testing In July 2005, the journal Annals of...Ch. 13 - Polygraphs Lie detectors are controversial...
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