**Australia high risk for hearts**

Here is a case where an article uses a frequency approach to probability to report relative likelihood given differing conditions. The first phrase is based on overall worldwide figures and then many qualifications are made. Although absolute figures are not possible to calculate the first claim can be written in probabilistic terms as

Pr (heart attack | male) = 5 Pr (heart attack | female).

[Here Pr (A | B) is the probability of event A occurring given the occurrence of event B.]

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