When 100 engines are shipped, all of them are free of defects. Select a written description of the complement of the given event.
A) At least one of the engines is defective.
B) All of the engines are defective.
C) At most one of the engines is defective.
D) None of the engines are defective.

Question

Quizplus · Accepted Answer

The complement of all engines being free of defects is that there is at least one defective engine, as it represents all other possibilities except the original event.

When 100 Engines Are Shipped, All of Them Are Free