Recent content by maria_01

I'm an IT person clueless of statistics. I took an online course and now struggling to understand. If you can help that be great. Also if I knew how to do it, I wouldn't be asking for help. My attention is not to just get the answers but atleast know which formulas to use and how to imply...

The the sum of the probabibilities is 1.

Homework Statement The random variable x takes on the values 1, 2, or 3 with probabilities (1 + 3k)/3, (1 + 2k)/3, and (0.5 + 5k)/3, respectively. Homework Equations i. Find the appropriate value of k. ii. Find the mean. iii. Find the cumulative distribution function. The...