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    Percentile of a normal distribution

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    A vending machine dispenses coffee into a twelve ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.08 ounce. You can allow the cup to overfill 10% of the time.

    What amount should you set as the mean amount of coffee to be dispensed?

    = ? ounces

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    Solution Summary

    This solution shows how to find a percentile of a normal probability distribution with a known mean and standard deviation.