# The symbolФ(z) is often used to denote the area under the standard normal curve that lies to the left of a specified value of z. Consider a one-mean z-test. Denote z0 as the observed value of the test statistic z. Express the P-value of the hypothesis test in terms of Ф if the test is a. left tailed. b. right tailed. c. two tailed.

Question

The symbolФ(z) is often used to denote the area under the standard normal curve that lies to the left of a specified value of z. Consider a one-mean z-test. Denote z0 as the observed value of the test statistic z. Express the P-value of the hypothesis test in terms of Ф if the test is

a. left tailed. b. right tailed. c. two tailed.

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