Question
An industrial process produces batches of a chemical whose impurity levels follow a normal distribution with standard deviation 1.6 grams per hundred grams of the
An industrial process produces batches of a chemical whose impurity levels follow a normal distribution with standard deviation 1.6 grams per hundred grams of the chemical. A random sample of 100 batches is selected in order to estimate the population mean impurity level.
on a.) how do you calculate the 1.65?
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
