Which fundamental axiom of probability requires that the probability of the entire sample space must equal 1?

Answer

Certainty.

The certainty axiom dictates that the probability assigned to the event encompassing every possible outcome (the sample space) must be exactly 1, signifying that something is certain to happen.

Which fundamental axiom of probability requires that the probability of the entire sample space must equal 1?

#Videos

What Is Random Event In Probability? - The Friendly Statistician

eventprobabilityrandom