Sirens from emergency vehicles, honking horns, train whistles, and mechanical noises from vehicles provide important information that lead to driving

decisions

Explanation:

A person makes decisions based on the stimulus the person is being subjected to.

When a person is driving all the unneeded information is discarded and only the relevant information is processed. When the noise consists of sirens from emergency vehicles a person is likely to give slow down and give way.

Train whistles also makes the driver slow down as it indicates that a railway crossing ahead.

A car normally sounds a certain way. If something was wrong with the car the sound would change this would make the driver check on the engine.

Hence, the stimuli mentioned here changes leads to driving decisions.

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answer; group behavior;