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State the decision rule

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Reference no: EM131509076

Given the following hypotheses: 

H0 : μ = 400 

H1 : μ ≠ 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.)

Reject H0 when the test statistic is (Click to select)

outside

inside

the interval (, ). 

b. Compute the value of the test statistic. (Round your answer to 3 decimal places.) 

Value of the test statistic   

c. What is your decision regarding the null hypothesis?   Do not rejectReject

Reference no: EM131509076

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