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What is the probability of choosing an adult male

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Question: A drug trial performed with seriously ill patients produces the following data:

                                            Adult Men      Adult Women       Boys        Girls

Survived at least two years          257                  320              104          152

Survived les than one year           619                  471                51           38

(a) If a patient is selected randomly from this pool, what is the probability of choosing an adult male, if we are told that the person survived at least two more years?

(b) What is the probability of choosing a girl if we are told that the person survived less than one year?

Reference no: EM131595277

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