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6) According to a manufacturer of Uninterruptable Power Supply (UPS) the normal output voltage is 120 volts. The 40 meas
Posted: Wed Nov 24, 2021 9:18 am
by answerhappygod
- 6 According To A Manufacturer Of Uninterruptable Power Supply Ups The Normal Output Voltage Is 120 Volts The 40 Meas 1 (26.1 KiB) Viewed 97 times
6) According to a manufacturer of Uninterruptable Power Supply (UPS) the normal output voltage is 120 volts. The 40 measured voltage amounts from a sample have a mean of 123.59 volts and a standard deviation of 0.41 volt. Use a .05 significance level to test the claim that the sample is from a population with a mean equal to 120 volts. (8 points)