It’s one of those phrases I just kinda nod my head and go “yeah” when I hear it. I’ve looked it up before, but the definition never stuck. Same thing happened with “survivorship bias,” but I eventually figured that one out.
I guess I need it explained in a different way for it to stick.
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Mutual exclusivity just means that two things can’t happen at the same time. If one thing happens, the other one can’t.
Think of it like flipping a coin. It can land on heads or tails, but not both. So, heads and tails are mutually exclusive.
Same goes for something like deciding whether to go to the movies or stay home. You can’t do both at once, so those options are mutually exclusive.
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