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#31672

estimation

statistics

data analysis

medium

45 sec

A factory produces 500 light bulbs per day. A quality control inspector randomly selected 25 light bulbs and found that 3 of them were defective. Based on this sample, what is the best estimate of the number of defective light bulbs produced by the factory in one day?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.