- A2.54%
- B2.77%
- C2.61%
- D2.40%
Step-by-Step Solution
Night defects = 4% of 1,600 = 64. Defects 60 + 54 + 64 = 178 out of 7,000 → ≈ 2.54%. (2.77% averages the three rates.)
Answer: A) 2.54%
What was the defect rate for the whole day, to two decimal places?
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