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A production process is checke

A production process is checke.

A production process is checked periodically by a quality control inspector. The inspector selects simple random samples of 30 finished products and computes the sample mean product weights (line over x). If the test results over a long period of time show that 5% of the (line over x) values are over 2.1 pounds and 5% are under 1.9 pounds, what are the mean and the standard deviation for the population of products produced with this process?

Si nce it is given that the information is given from the test results over a long period oftime and n=30 ,therefore it is a large sample.Let us assume that it follows the normal distribution. 5%…

A production process is checke


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