Math

There are 2 opaque bags, each containing red and yellow blocks. Bag 1 contains 3 red blocks and 5 yellow. Bag 2 contains 5 red and 15 yellow. To play the game, you pick a bag and then you pick a block out of the bag without looking. Would a person be more likely to pick a red block if she picks from bag 2 rather than bag 1? Explain

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  1. Pr(red|bag1)=3/8
    pr(red|bag2)=5/20

    which is the higher probability?

  2. you have bag candy a total of 125, 20 red 27 green 15 yield 35 brown 15 blue what the faction.

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