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Math Help - fraction

  1. #1
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    fraction

    A fabrication process requires 25 masks. (a) What fraction of the dice must be good during each mask step if we require 30% of the final dice to be good. (b) How about if we require 70% to be good?
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by pageraets View Post
    A fabrication process requires 25 masks. (a) What fraction of the dice must be good during each mask step if we require 30% of the final dice to be good. (b) How about if we require 70% to be good?
    1. removed

    2. Don't we need the probability that a masking step be a success?

    RonL
    Last edited by CaptainBlack; January 31st 2008 at 08:39 PM.
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  3. #3
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by CaptainBlack View Post
    1. The plural of dice is die
    Just as a side note: I always thought that "die" was the singular of "dice?"

    -Dan
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