Multiple Choice
A producer of contact lenses regularly takes samples of 100 lenses and inspects them for scratches. If a lens has a single scratch, it cannot be sold. The results of 10 samples are shown. What sample is out of control?
A) 2
B) 4
C) 6
D) 8
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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