# Math Help - Probability Distribution

1. ## Probability Distribution

Suppose X has the following probability distribution:

X P(X)
0 0.5
1 .25
2 .25

Find P(X<2|X>1)

Multiple choice answers are:
A) .5
B) 1
C) 0
D) .25
E) .75

If you could tell/show me how to get the answer I'd appreciate it.

2. I'd say $P(x<2|x>1) = \frac{P(x<2\cap x>1)}{P(x>1)} =\frac{0}{0.25} = 0$

3. Thank you so much! I see it now, out of those three numbers none can be less than 2 AND greater than 1, so 0 has to be it!