Give the complete Test of Hypothesis. Perform second test if applicable. Round off your answers up to four decimal places, with correct units. a. A bearing used in an automotive application is supposed to have a nominal inside diameter of 1.5 inches. A random sample of 25 bearings is selected and the average inside diameter of these bearings is 1.4975 inches. Bearing diameter is known to be normally distributed with standard deviation o=0.01 inch. Can you support the claim that the mean inside diameter of a bearing used in an automotive is 1.5 inches? Use 1% significant level.

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Give the complete Test of Hypothesis. Perform second test if applicable. Round off your
answers up to four decimal places, with correct units.
a. A bearing used in an automotive application is supposed to have a nominal inside
diameter of 1.5 inches. A random sample of 25 bearings is selected and the average
inside diameter of these bearings is 1.4975 inches. Bearing diameter is known to be
normally distributed with standard deviation o=0.01 inch. Can you support the claim that
the mean inside diameter of a bearing used in an automotive is 1.5 inches? Use 1%
significant level.
Transcribed Image Text:Give the complete Test of Hypothesis. Perform second test if applicable. Round off your answers up to four decimal places, with correct units. a. A bearing used in an automotive application is supposed to have a nominal inside diameter of 1.5 inches. A random sample of 25 bearings is selected and the average inside diameter of these bearings is 1.4975 inches. Bearing diameter is known to be normally distributed with standard deviation o=0.01 inch. Can you support the claim that the mean inside diameter of a bearing used in an automotive is 1.5 inches? Use 1% significant level.
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