Probability- Random variables

drfarah · #1 Nov 7, 2009, 03:12 PM

Please I want to know thge answer of:

a discrete random variable X has probability function
px(x)=2ֿx (this means 2 to the power of -x), x=1,2,3,....

Calculate:
a) Pr(X is even)
b)Pr(x>5)
c)Pr(X is divisible by 3)

drfarah · Nov 9, 2009, 11:54 AM

Hi ,,
still no body know the answer

morgaine300 · Nov 12, 2009, 07:52 PM

You've gotten an answer over here:
http://www.askmehelpdesk.com/math-sc...es-414919.html

It would be useful if you didn't double-post. It sounds like you've gotten as good of an answer as you're going to get and that you possibly need more explanation than what can be given on a forum like this.



At Ask Me Help Desk you can ask questions in any topic and have them answered for free by our experts. To ask questions or participate in answering them you must register for a free account. By registering you will be able to: Get free answers from experts in any of our 300+ topics. Accept money for answers that you provide. Communicate privately with other members (PM). See fewer ads. Sign Up!