Suppose that X and Y have a discrete joint distribution for which the joint p.f is defined as follows f(x,y)={ c∣x+y∣ for x=−2,−1,0,1,2 and y=−2,−1,0,1,2 0 other wise Determine (a) the value of the constant of c (b) pr(X=0 and Y=−2) (e) pr(X=1) (d) pr(∣x−y∣≤1) pleas sir help me


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Question Number 75524 by mhmd last updated on 12/Dec/19

$S u p p o s e t h a t X a n d Y h a v e a d i s c r e t e j o i n t d i s t r i b u t i o n f o r w h i c h t h e j o i n t p . f i s d e f i n e d a s f o l l o w s$ $f (x, y) = {c ∣ x + y ∣ f o r x = - 2, - 1, 0, 1, 2 a n d y = - 2, - 1, 0, 1, 2$ $0 o t h e r w i s e$ $D e t e r m i n e (a) t h e v a l u e o f t h e c o n s t a n t o f c$ $(b) p r (X = 0 a n d Y = - 2)$ $(e) p r (X = 1)$ $(d) p r (∣ x - y ∣⩽ 1)$ $p l e a s s i r h e l p m e$
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