Answer:a) 57120 ways
b) 4080
c= nothing
Step-by-step explanation:
Total number of qualified candidates= 17
Total number of officers to be appointed =4
Number of different ways using permutation = 17C4=57120
b) Total number of qualified candidates =17
Total number of planning officers=3
Number of different ways using permutation = 17C3=4080 ways
C) Probability P(getting 3 youngest of the qualified candidates)= nothing