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In a study of helicopter usage and patient survival, among the 59,243 patients transported by helicopter, 230 of
them left the treatment center against medical advice, and the other 59,013 did not leave against medical
advice. If 60 of the subjects transported by helicopter are randomly selected without replacement, what is the
probability that none of them left the treatment center against medical advice?
The probability is.
(Round to three decimal places as needed.)