Given the following hypotheses: H 0 : µ = 440 H 1 : µ ? 440 A random sample of 10 observations is se

Given the following hypotheses:

H0: μ = 440

H1: μ ≠ 440

A random sample of 10 observations is selected from a normal population. The sample mean was 445 and the sample standard deviation 4. Using the 0.05 significance level:

a. State the decision rule

refect H0 when the test statistic is __________ the interval (__.__)

b. compute the value of the test statistic.

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