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In a hospital data was collected from 100 patients. Out of 100 sixty patients indicated that...

In a hospital data was collected from 100 patients. Out of 100 sixty patients indicated that they go through a test because of disease symptoms. The remainder patients had not seen the symptoms. A total of 40 patients had recovered; of these patients, 30 had seen the symptoms. What is the probability that a patient who did not see the symptoms had recovered? What is the probability that a patient who saw the symptoms had recovered?

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