Mathematics, 13.05.2021 01:20, brianquinnholop6049c

The set of life spans of an appliance is normally distributed with a mean y = 48 months and a standard deviation or 8 months. What is the z-score of an appliance that stopped working at 64 months?

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The set of life spans of an appliance is normally distributed with a mean y = 48 months and a standa...