Melanoma is the most serious form of skin cancer and is increasing at a rate higher than any other cancer in the United States. If it is caught in its early stage, the survival rate for patients is almost 90% in the United States. What is the probability that 200 or more of some group of 250 earlystage patients will survive melanoma?

Source: http://www.channelonenews.com/articles/2002/

05/31/skin.cancer/