Question

What additional statement, added to the
three below, forms a probability distribution?
(1) I missed only my first class today
(2) I missed only my second class today
(3) I missed both my first and second class
today
I did not miss my first or second class
today
I missed no classes today
I missed all my classes today
I missed either my first or my second
class today but not both​

Answer 1

Answer:

I didn't missed any classes today ( the next statement )