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4 November, 04:37

Out of 820 discs tested, 33 are defective. Estimate the number of defective discs in a batch of 17,000.

about 6,840 discs

about 68 discs

about 1,368 discs

about 684 discs

+3
Answers (2)
  1. 4 November, 04:55
    0
    684 discs would be correct
  2. 4 November, 04:56
    0
    684 discs

    Step-by-step explanation:

    33/820 were defective

    17,000/820 = 20.73

    20.73*33

    684 discs

    -you could also do 4% of 17,000
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