A spinner has four sectors of equal size. The sectors are labelled 1, 2, 3, and 4. The spinner is spun twice. X is the number of times a 1 is spun. Create a probability distribution table for X= 0, 1, 2.
Note that the possible outcomes are
(1,1) (2,3) (3,3) (4,4)
(1,1) (3,2) (3,3) (4,4)
(1,2) (2,4) (3,4)
(2,1) (4,2) (4,3)
(1,3) (2,2)
(3,1) (2,2)
(1,4)
(4,1)
Number of 1's Probability
0 12/20 = .60
1 6/20 = .30
2 2/20 = .10
+309 
