Question 926907
 <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
x   P(x)
-10   .25
-5    .20
 0    .10
 5    .05
 10   .15
 15   .05
 20   <u>.20</u> = 1
....
(a)  P(X = &#8722;10) = .25
(b) P(X &#8805; 5)  = .05 + .15 + .05 +.20
(c) P(&#8722;5 &#8804; X &#8804; 5)  =  .20 + .10 + .05
(d) P(X &#8804; 20) = 1
(e) P(X < 5)  = .10 + .20 + .25
(f) P(X = 3)  =  0