Question: Causes of death In the United States in 2007, there were 631,636 deaths from heart disease, 559,888 from cancer, and 137,119 from stroke (Source: National Center for Health Statistics, U.S. Department of Health and Human Services). If a death is chosen at random from the 2,426,264 deaths that occurred in 2007, what is the probability that the cause of that death was from cancer or stroke?