What bag of cookies can weigh and not need repackaging

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The weights of bags of cookies are normally distributed with a mean of 15 oz and standard deviations of 0.085 oz. Bags of cookies that have weights in the upper 7.5% are too heavy and must be repackaged. What is the most a bag of cookies can weigh and not need repackaging?

Reference no: EM13143638

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