Among 6 electrical components exactly one is known not to function properly. If 4 components are randomly selected, find the probability that all...

Among 6 electrical components exactly one is known not to function properly. If 4 components are randomly selected, find the probability that all selected components function properly.

a) 0.1667

b) 0.8333

c) 0.5787

d) 0.6667

e) 0.3333

f) None of the above