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Suppose that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation 0.6 ounces.
Suppose that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation 0.6 ounces. A bag of chips is taken off the conveyor belt and weighed. If the weight found was 12.55 ounces, then what is the corresponding z-score for that data?
Round your answer to two decimal places.
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