What are the chances of surviving a stroke?

Depends. It depends on type and location of the stroke. Volume of brain involved, patients age, and comorbidities (whether they are also diabetic, smoker, have elevated cholesterol, heart disease etc.).
Pretty good. Most of stroke patients do survive but with some disability. People affected with hemorrhagic stroke are at risk of death depending on severity.

Related Questions

What are the chances of surviving a hemorrhage stroke?

Possible. Survival after hemorrhagic stroke depends largely on location and size of the bleeding so it is impossible to say what the chances of survival are without more information. That said, many survive and of those some with minimal deficit. Read more...
Bad. There is a 37.5% death rate within 30 days after that type of a stroke. Read more...