SOLUTION: Suppose two dice are rolled. What is the probability of getting doubles or a sum of 4?

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Question 704714: Suppose two dice are rolled. What is the probability of getting doubles or a sum of 4?
Answer by filboi(35) About Me  (Show Source):
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No. of doubles{(1,1)(2,2)(3,3)(4,4)(5,5)(6,6)}: 6
No. a sum of 4{(1,3)(3,1)(2,2)}:3
No. of total combinations: 6x6 = 36
P=(6+3)/36=1/4