2017-22 Debugging

Let \(p\), \(q\), \(r\) be positive integers such that \(p,q\ge r\). Ada and Betty independently read all source codes of their programming project. Ada found \(p\) bugs and Betty found \(q\) bugs, including \(r\) bugs that Ada found. What is the expected number of remaining bugs that neither Ada nor Betty found?

GD Star Rating
2017-22 Debugging, 1.8 out of 5 based on 12 ratings