A study is conducted to assess the risk of acquiring a severely debilitating disease over a 1- year study period. Only males are susceptible to the disease, which can be diagnosed using 4 basic clinical criteria. In a population of 100,000 people. 10 men met all the criteria. An additional 90 men demonstrated mild symptoms but failed to meet the full criteria. Assuming a male:female ratio of 1:1 in this population, which of the following is the male risk of being diagnosed with this disease?