# CDF Issue

1. Oct 26, 2008

### ahamdiheme

Assuming i have plotted my pdf and cdf functions which lie in the interval [-1, 1] what does P[$$\left|X-0.5|$$<0.25] imply? The part i am not clear on is the $$\left|X-0.5|$$ part. Please clear me out on this

2. Oct 26, 2008

### mathman

|X-0.5|<0.25 simply means 0.25<X<0.75.

3. Oct 26, 2008

### ahamdiheme

I was just posting an apology when this came in. I did not think b4 asking (basic absolute value stuff) thanks any way. I need a walk