In a certain year, the probability that a person in the United States would declare personal bankruptcy was 0.008. The probability that a person in the United States would declare personal bankruptcy and had recently experienced a "big three" event (loss of job, medical problem, or divorce or separation) was 0.004. What was the probability that a person had recently experienced one of the "big three" events, given that she had declared personal bankruptcy? (Round your answer to four decimal places.