90. O-/1 points WaneF M7 7.5.095 Notes O Ask Your Teache cording to a study of 2
ID: 2946061 • Letter: 9
Question
90. O-/1 points WaneF M7 7.5.095 Notes O Ask Your Teache cording to a study of 200 samples of ground meats, the probability that one of the samples was contaminat salmonella was 15. The probability that a salmonella contaminated sample was contaminat least one antibiotic was.80, and the probability that a salmonella-contaminated sample was contaminated by a strain resistant to at least three antibiotics was 52. Find the probability that a ground meat sample that was contaminated by an antiblotic-resistant strain was contaminated by a strain resistant to at least three antibiotics. (Round your answer to three decimal places.) Need Help? LRead".Explanation / Answer
Find the probability that a ground meat sample that was contaminated by an antibiotic-resistant strain was contaminated by a strain resistant to at least three antibiotics. (Round your answer to three decimal places.)
The probabability of finding strain resistant to at least three antibiotics is divide third value (at least three antibiotics ) by second value (at least one antibiotic )
Third value is 0.52
Second value is 0.80
so the probability is = 0.52/0.80
= 0.650
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