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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
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
67%
of the chickens were contaminated with campylobacter,
17%
with salmonella, and
8%
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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