A manufacturer is interested in the output voltage of a power supply used in a PC. Output

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A manufacturer is interested in the output voltage of a power supply used in a PC. Output voltage is assumed to be normally distributed, with standard deviation 0.25 volt, and the manufacturer wishes to test H0: 5 volts against H1: volts, using n 8 units.

(a) The acceptance region is Find the value of .

(b) Find the power of the test for detecting a true mean output voltage of 5.1 volts.

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Ali Khawaja

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