Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places.   Positive test result Negative test result Total Has lung cancer          Does not have lung cancer          Total         What is the probability a patient has lung cancer given that she just had a positive test?     Give answer as decimals to 4 decimal places.

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