Question

A box contains 25 parts of which 3 are defective and 22 are non-defective. If two...

  1. A box contains 25 parts of which 3 are defective and 22 are non-defective. If two parts are selected WITH replacement, find the following probabilities;
  1. P (both are defective) =
  2. P ( exactly one is defective) =
  3. P ( neither is defective) =

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Answer #2

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