2. The output voltage for an electric circuit is specified to be 130. A sample of 40 independent -, readings on the voltage for this circuit gave a sample mean 128.6 and standard deviation 2.1. (a) Test the hypothesis that the average output voltage is 130 against the alternative that it is less than 130. Use a test with level .05. Report the p-value as well. (b) Determine B of the test above for alternate hypothesis Ha: u = 129.

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2. The output voltage for an electric circuit is specified to be 130. A sample of 40 independent
readings on the voltage for this circuit gave a sample mean 128.6 and standard deviation 2.1.
(a) Test the hypothesis that the average output voltage is 130 against the alternative that it
is less than 130. Use a test with level .05. Report the p-value as well.
(b) Determine B of the test above for alternate hypothesis Ha: u = 129.
Transcribed Image Text:2. The output voltage for an electric circuit is specified to be 130. A sample of 40 independent readings on the voltage for this circuit gave a sample mean 128.6 and standard deviation 2.1. (a) Test the hypothesis that the average output voltage is 130 against the alternative that it is less than 130. Use a test with level .05. Report the p-value as well. (b) Determine B of the test above for alternate hypothesis Ha: u = 129.
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