hi, can anyone show me why is this true: P is a probability function thank you
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Originally Posted by baxy77bax can anyone show me why is this true: P is a probability function You should have proved that if are events and then . Simply apply that here.
ok i get it , however i still don't get how to show that or is this an axiom
Originally Posted by baxy77bax ok i get it , however i still don't get how to show that or is this an axiom There is no point in your trying to prove any theorem in probability if you are not grounded in set theory. Surely you can show that
Do you understand the definitions of " " and " "? if and only if x is in both A and B. if x is in either A or B. If , then x is in every set in E. So certainly, .
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