A magazine published the results of an extensive investigation of broiler chickens purchased from food stores in 23 regions. Tests for bacteria in the meat showed that 50% of the chickens were contaminated with campylobacter, 14% with salmonella, and 6% 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.

College Algebra
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ISBN:9781337282291
Author:Ron Larson
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Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A magazine published the results of an extensive investigation of broiler chickens purchased from food stores in 23 regions. Tests for bacteria in the meat showed
that 50% of the chickens were contaminated with campylobacter, 14% with salmonella, and 6% 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.
Transcribed Image Text:A magazine published the results of an extensive investigation of broiler chickens purchased from food stores in 23 regions. Tests for bacteria in the meat showed that 50% of the chickens were contaminated with campylobacter, 14% with salmonella, and 6% 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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