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The probability that one wristband is defective is 1/20. In a case of 840 wristbands, how many would be defective
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The probability that one wristband is defective is 1/20. In a case of 840 wristbands, how many would be defective

User Micrified
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1 Answer

6 votes
Answer :

42 wristbands would be defective

Explanation :

840•1/20=42
User TZubiri
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