Checked periodically by a quality control inspector

Reference no: EM13337867

A production process is checked periodically by a quality control inspector. The inspector selects simple random samples of30 finished products and computes the sample mean product weights Xbar. If test results over a long period of time show that 5% of thex bar values are over 2.1 pounds and 5% are under 1.9 pounds, whatare the mean and the standard deviation for the population ofproducts produced with this process?

Reference no: EM13337867

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