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Determining the number of defective coins

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The U.S. mint, which produces billions of coins annually, has a mean daily defect rate of 4 coins. Let X be the number of defective coins produced on a given day. What is the variance of this distribution?

Reference no: EM131063667

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Determining the number of defective coins : The U.S. mint, which produces billions of coins annually, has a mean daily defect rate of 4 coins. Let X be the number of defective coins produced on a given day. What is the variance of this distribution?
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