contestada

What is the meaning of
probability in the following
sentence?
If I study my notes there will
be a high probability that I will
pass the test.
A. Probability is the quality of or the extent
to which an event is likely to occur.
B. Probability is one who occurs.
C. Probability is the state of an event
occuring.
D. Probability is pertaining to the
occurrence of an event.