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Given the following hypotheses: H 0 : = 400 H 1 : 400 A random sample of 12 observations is selected from a normal population.
| Given the following hypotheses: |
| H0: = 400 |
| H1: 400 |
| A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level: |
| a. | State the decision rule.(Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) What is the the interval when rejectH0? |
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