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A factory makes light bulbs. Over a long period, 4% of them are found to be faulty. A random sample of 100 light bulbs is tested.

(a) Write down the expected number of faulty bulbs in the sample.

(b) Find the probability that three bulbs are faulty.

(c) Find the probability that more than 3 light bulb is faulty.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9990999

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