According to U S government statistics mononucleosis mono is four times more common among college students than the rest of the population Blood tests for the disease are not 100 accurate Assume that the following table of data was obtained regarding students who came to a certain school s health center complaining of tiredness a sore throat and slight fever Has Mono 45 12 57 Doesn t Have Mono 26 10 36 Totals 71 22 93 Positive Blood Test Negative Blood Test Totals If a student is selected from this group find the probability a student doesn t have mono given that the test is negative The probability is Type an integer or decimal rounded to three decimal places as needed