Mathematics, 03.08.2021 22:20 beverly9662

The weekly amount of money spent on maintenance and repairs by a company was observed, over a long period of time, to be approximately normally distributed with mean $440 and standard deviation $10. How much should be budgeted for weekly repairs and maintenance so that the probability the budgeted amount will be exceeded in a given week is only 0.01

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The weekly amount of money spent on maintenance and repairs by a company was observed, over a long p...