Subject: Question
Name: ayman
Who are you: Student
coffee machine may be defective since it dispenses the wrong amount of coffee (C) & or the wrong amount of suger ( S ) the probability of these defects are
P(C) = 0.05, P(S) = 0.04 & P( C&S ) = 0.01
find
1 what proportion of cups of coffee have at least one defect
2 what proportion of cups of coffee have no defect
