Which of the Following Statements Are True About the P-Value $\Phi ( z )$

question 3

Multiple Choice

Which of the following statements are true about the P-value, where z is the calculated value of the test statistic and $\Phi ( z )$ is the corresponding cumulative area under the standard normal curve?

• A) P-value = \(1 - \Phi ( z )\)
• For an upper-tailed test.
• B) P-value = \(\Phi ( z )\)
• For a lower-tailed test.
• C) P-value = \(2 [ 1 - \Phi ( \mid z ) ]\)
• For a lower-tailed test
• D) All of the above statements are true.
• E) None of the above statements are true.

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