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An experiment consists of rolling 1 red die, 1 white die, and 1 blue die and...

An experiment consists of rolling 1 red die, 1 white die, and 1 blue die and noting the result of each roll. The dice are fair, and all out comes are equally likely,

What is the probability that the SUM of the results on the three dice is 7?

What is the probability that the sum is an odd number?

Please explain in detail.  

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