Mary works in a factory that produces 1,000 telephones each day. When 30 telephones were sampled, it was found that 9 were defective. Estimate how many telephones are defective each day.

5 answers

9/30 = 3/10

3/10 * 1,000 = 3,000 / 10 = 300

300.

300

Well then i geuss 300

300

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