Benzene is a toxic chemical used in the manufacturing of medicinal chemicals, dyes, artificial leather, and linoleum. A manufacturer claims that its exit water meets the federal regulation with a mean of less than 7980 ppm of benzene. To a
Benzene is a toxic chemical used in the manufacturing of medicinal chemicals, dyes, artificial leather, and linoleum. A manufacturer claims that its exit water meets the federal regulation with a
(a) Test the manufacturer’s claim. Use the P-value approach. Round your answer to 5 decimal places (e.g. 98.76543).
(b) What is the β-value if the true mean is 7915? Round your answer to 3 decimal places (e.g. 98.765).
(c) What
(d) Find a 99% one-sided upper confidence bound on the true mean. Round your answer to 2 decimal places (e.g. 98.76).
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