A Test Of $H _ { 0 } : \mu = 56$

question 150

Multiple Choice

A test of $H _ { 0 } : \mu = 56$ versus $H _ { 1 } : \mu \neq 56$ is performed using a significance level of $\alpha = 0.01$ . The value of the test statistic is $z = - 2.46$ .
If the true value of $\mu$ is 56 , does the conclusion result in a Type I error, a Type II error, or correct decision?

• A) Type I error
• B) Type II error
• C) Correct decision

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