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anonymous

  • one year ago

A bag contains 5 gray tiles and 2 blue tiles. Jenny reached into the bag and picked a tile randomly, and then without replacing it, picked a second tile. If you know that she picked a blue tile with her first pick, what is the probability that she picked a gray tile with her second pick? A) 1/6 B) 1/7 C) 5/6 D) 5/7

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  1. anonymous
    • one year ago
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    A i think

  2. rock_mit182
    • one year ago
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    there are 6 tile left after her first pick

  3. anonymous
    • one year ago
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    i just got the answer , thanks.

  4. rock_mit182
    • one year ago
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    is 5/6

  5. anonymous
    • one year ago
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    a because there is now only like 6 tiles left so yeah

  6. rock_mit182
    • one year ago
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    the second event is pick a grey one, and there are still five of them after the first event

  7. rock_mit182
    • one year ago
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    so P = 5/6 ( 5 grey ones over the total of tiles left. which is 6)

  8. rock_mit182
    • one year ago
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    I hope it helps you out ;)

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