Imagine you are listening to a speech about airplane accidents. the speaker is stressing the need for better flight school programs. which of the following statistics would be most effective as evidence? -40 percent of all accidents in the last 15 years were caused by pilot error. -14 percent of all accidents in the last 15 years were caused by mechanical error. -during the last 15 years, 51 percent of all accidents occurred during the final approach or landing. -flight school simulators do not adequately prepare pilots for the variety of difficult situations that may occur while in flight.