QNT /351-STATISTICS 60-in the magical realm ruled by King Arthur,

Given the following hypotheses:H0 : ? = 400H1 : ? ? 400A 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.) Reject H0 when the test statistic is Outside/inside the interval (?, ? ).b….pute the value of the test statistic. (Round your answer to 3 decimal places.) Value of the test statisticc.What is your decision regarding the null hypothesis?RejectDo not reject

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