If I roll a die, whats my chances of getting an even number?

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Jimmy has a 8 pairs of socks, 3 blue and 5 white, whats his chances of pick a blue pair and a white pair? (without replacement)

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Its snowing really hard, and my dad says theres a 50% chance of no school, my brother says 60% and my mom says 20%. Whats the average chance?

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