In a recent health survey, 1400 randomly selected US adult citizens were asked a series of questions regarding their hea

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In a recent health survey, 1400 randomly selected US adult
citizens were asked a series of questions regarding their health
and their financial status. The answers provided by the respondents
allow the investigators to categorize each one into a health level
and a socioeconomic class. A contingency table summarizing the
results of this survey is provided below.
Assume that this is a representative sample of US adults and that
the answers provided were truthful.
Consider that you randomly select one of these records from the
1400 responses; use the results published in Table 1, above, to
find the following probabilities
Note: Your answer can be in fraction form. If you compute a decimal
answer, use at least three decimal places.


a) P(Poor Health) =
b) P(Upper Class) =
c) P(Poor Health | Low Class) =
d) P(Poor Health | Upper Class) =
e) P(Working Class and Excellent Health) =
f) P(Good Health or Excellent Health) =
g) P(Fair Health or Working Class) =
h) P(not Excellent Health) =
i) P(Middle Class | Good Health) =
j) P(not Middle Class | Good Health) =
k) P(Middle Class | not Good Health) =