A medical trial is testing the efficacy of a new arthritis medication. 120 females and 90 males took part in the trial. Out of those people, 50 females and 30 males responded positively to the medication. Take a look at this contingency table: The Trial Results Female Male Totals Positive 50 30 Negative Totals 120 90 Complete the table and calculate the probability that the medicine gives a negative result for males