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Mean and Variance in Glass Bottles

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Approximately 10% of the glass bottles coming off a production line have serious flaws in the glass. If two bottles are randomly selected, find the mean and variance of the number of bottles that have serious flaws.

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Word document attached gives the step by step solution to finding the mean and variance of a sample of bottles that have flaws.

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Approximately 10% of the glass bottles coming off a production line have serious flaws in the glass. If two ...

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