If P is the probability of a certain event occurring, which of the following describes the range of numbers P can be?

Question

anonymous · Answer

a.$$0 \le P \le 100$$
b.$$0 < P < 100$$
c.$$0 \le P <  1$$
d.$$0 \le P \le 1$$

directrix · Answer

Go here: http://www.regentsprep.org/regents/math/algebra/apr5/LProb.htm and read the information in the black/yellow chart. Then, post what you think the answer is, okay? @pedro77

anonymous · Answer

A?

directrix · Answer

That is correct. A probability of zero indicates that an event will not happen at all.
A probability of 1 indicates that the event is a sure thing; it will happen.