Question

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

Answer 1

684 discs would be correct

Answer 2

684 discs

Explanation:

33/820 were defective

17,000/820= 20.73

20.73*33

684 discs

-you could also do 4% of 17,000