A Group of Psychiatrists Has Noticed an Unusual Number of Older

question 71

Multiple Choice

A group of psychiatrists has noticed an unusual number of older individuals with depression in the surrounding community.  A decision is taken to conduct a cross-sectional study to estimate the prevalence of depression in this specific population.  Estimates for the prevalence of depression (cases per 100 individuals) in the community are as follows: Suppose during an afternoon clinic, a psychiatrist sees a 65-year-old woman, a 72-year-old man, and an 84-year-old woman from this community.  Assuming no relation between the 3 patients, what is the probability that none of them has depression?

• A)0.001
• B)0.011
• C)0.295
• D)0.705
• E)0.999

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The aggregate amount of expenditure by all sectors of the economy, including households, businesses, government, and foreign buyers.

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