Two events E and F are independent if and only if

- P(EF) = P(E) P(F).

Here,

- E = event that the red die is green; P(E) = 1/2

F = event that the green die is odd; P(F) = 1/2

EF = event that the red die is even and the green die is odd; P(EF) = 1/4

Since

1 2 |
1 2 |
= | 1 4 |
, |

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