Question 1191215
.
two balls are drawn in succession without replacement from a box containing 7 red balls and 12 balls. 
Let Z be the random variable representing the number of balls. find the values of the random variable Z. 
let B represent the blue ball and R represent the red ball
~~~~~~~~~~~~~~~



As worded, printed,  posted and presented,  this  " problem "  is defective and should be revised.


If you will decide to re-post it to the forum after revising, then PLEASE do not post it to me personally.