tjf0165921 tjf0165921
  • 21-02-2017
  • Mathematics
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a box contains 29 widgets, 4 of which are defective. if 4 are sold at random, find the probability that (a) all are defective (b) none are defective

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Zaivon Zaivon
  • 21-02-2017
there would be a 16% chance of the widgets being defective and there is an 84% chance of the widgets not being defective.
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