SOLUTION: Bad gums may mean a bad mood. Researchers discovered that 85% of people who have suffered a bad mood had periodontal disease, an inflammation of the gums. Only 29% of healthy peopl

Question 1202011: Bad gums may mean a bad mood. Researchers discovered that 85% of people who have suffered a bad mood had periodontal disease, an inflammation of the gums. Only 29% of healthy people have this disease. Suppose that in a certain community bad moods are quite rare, occurring with only 10% probability. If someone has periodontal disease, what is the probability that he or she will have a bad mood?
Note: Draw the tree diagram for the above problem
Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
.

I do not understand the literal meaning of this statement

" Only 29% of healthy people have this disease. "

In my view, it is SELF-CONTRADICTORY.

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