In certain engineering schools of university, 60% of students are employed and 80% of the students are full-time. Ninety percent of the employed are full-time students.
A. The probability that student chosen at random is an employed full-time student is
1. 0.90
2. 0.54
3. 0.48
4. 0.20
B. The probability that student chosen at random is employed or a full-time student is:
1. 0.92
2. 0.74
3. 0.54
4. 0.86
C. What percentages of students are neither full-time student nor employed?
1. 0.09
2. 0.14
3. 0.24
4. 0.86