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- Want to know exactly what an exhaustive event is. A little bit confused about "one of them will occur during the conduct of an experiment".

**Summary:**Want to know exactly what an exhaustive event is. A little bit confused about "one of them will occur during the conduct of an experiment".

Hi there, I open this thread because I am a little bit confused about what an 'exhaustive event' is. I have been reading some websites and watching a video in youtube and I get some idea, but I don't fully understand the concept at 100%. So I am going to explain what I understand at this moment.

Given a sample space (for example, a dice): S={1, 2, 3, 4, 5, 6}

I get two subsets, for example:

A={1, 2, 3}

B={4, 5, 6}

So, A and B are exhaustive events because when I perform an experiment the event must belong to A or to B subset. Also, A and B are exhaustive events because if we put together A and B, the form a complete sample space.

Is my understanding right?

Thanks.