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Mathematics, 09.12.2021 14:50 kaiya789

The weights of all the boxes of corn flakes filled by a machine are normally distributed, with a mean weight of 16.5 ounces and a standard deviation of 0.4 ounce. Find the z-scores for boxes which weigh 15.5 ounces and 17.5 ounces. (Round your answers to two decimal places.)

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