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A factory produces computer chips. A technician wants to estimate the proportion of defective chips.
  • Sample A: \(n=50\) chips are tested, 4 are defective.
  • Sample B: \(n=2,000\) chips are tested, 38 are defective.
  1. Calculate the frequency of defective chips for each sample.
  2. Which sample gives a better estimation of the true defective rate of the factory? Why?

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