Instruction 4-6 At a NSW University,60% of the Students Are from NSW,30

question 142

Short Answer

Instruction 4-6
At a NSW University,60% of the students are from NSW,30% are from interstate,and the remaining 10% are from overseas.All students must take and pass an English Proficiency Test (EPT)before they graduate.60% of the NSW students have passed the EPT,70% of the interstate students have passed the EPT,and 90% of the overseas students have passed the EPT.
-Referring to Instruction 4-6,if a randomly selected student has not passed the EPT,the probability the student is not from interstate is ________.