Mathematics, 18.03.2021 01:10 darriennichole
The operating expenses per process in a factory yearly are normally distributed with a population standard deviation of 24 thousand dollars and an unknown population mean. If a random sample of 20 processes is taken and results in a sample mean of 274 thousand dollars, find a 95% confidence interval for the population mean.
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Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project
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The operating expenses per process in a factory yearly are normally distributed with a population st...
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