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Physics, 21.06.2019 17:00 lulustar13

Amanufacturer 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 v, and the manufacturer wished to test upper hsubscript 0 baseline : μ equals 9 v against upper hsubscript 1 baseline : μ not-equals 9 v, using units.

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