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the amount of money spent weekly on cleaning maintenance and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed with the mean of $609 and standard
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the amount of money spent weekly on cleaning maintenance and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed with the mean of $609 and standard deviation of $46

User Alper
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So P(-0.7537 < z < 1.3190) = 0.9063 - 0.2254 = 0.6809

User Crsierra
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