(Answered) Given the following hypothesish0 u 400h1 u 400a random

Statistics

Given the following hypothesis:

H0 : u = 400
H1 : u ? 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.

b. Compute the value of the test statistic.

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