Probability-tested chicken not contaminated kind of bacteria

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Early in 2007 consumer reports published the reuslts of an extensive investigation of broiler chickens purchased from food stores in 23 states. tests for bacteria in the meat showed that 81% of the chickens were contaminated with campylobacter, 15% with salmonella, and 13% with both. What's the probability that a tested chicken was not contaminated with either kind of bacteria?

Reference no: EM13124250

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