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In a classroom experiment, you are asked of your friends at least 10 to choose randomly a single number from 1, 2, 3, 4, or 5. Follow these steps:
  1. Note the number of times the answer is 5.
  2. Note the total number of trials (friends asked).
  3. Calculate the experimental probability that a friend chooses the number 5, and express the result in decimal form.

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