Percentage of defective products 21 by 3.9% and got 0.82%.
A percentage is a number or ratio expressed as a fraction of 100.
A percentage is a dimensionless number, it has no unit of measurement.
Number of products in batch = 21
percentage of defective products = 3.9%
∴Number of defective products = 21 * 3.9% *100
= 0.82%.
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