Merge pull request ossu#376 from timhberry/UT.9.10x-durationfix

updated commitment/duration for UT.9.10x

Author: ericdouglas

README.md

@@ -91,7 +91,7 @@ Courses | Duration | Effort
 
 Courses | Duration | Effort
 :-- | :--: | :--:
-[Effective Thinking Through Mathematics](https://www.edx.org/course/effective-thinking-through-mathematics-utaustinx-ut-9-01x) | 9 weeks | 5 hours/week
+[Effective Thinking Through Mathematics](https://www.edx.org/course/effective-thinking-through-mathematics-utaustinx-ut-9-01x) | 4 weeks | 2-5 hours/week
 
 ### Program Design