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← Final 14 Answer 7mp4

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Showing Revision 3 created 05/25/2016 by Udacity Robot.

  1. The probability that in any drawing, A is not sampled, is 0.8.
  2. Because we sampled three times, we take 0.8 to the third.
  3. That's the probability that A never occurs. So the probability that A occurs at least once is one minus that.
  4. And when you work it out, it's 0.488.