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Apparently, depression significantly increases the risk of developing dementia later in life (BBC News, July 6,...

Apparently, depression significantly increases the risk of developing dementia later in life (BBC News, July 6, 2010). In a recent study it was reported that 22% of those who had depression went on to develop dementia, compared to only 17% of those who did not have depression. Suppose 10% of all people suffer from depression.

a. What is the probability of a person developing dementia? (Do not round intermediate calculations. Round your answer to 3 decimal places.)


b. If a person has developed dementia, what is the probability that the person suffered from depression earlier in life? (Do not round intermediate calculations. Round your answer to 3 decimal places.)

Math   Statistics-And-Probability   
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