In testing H0: μ = 10 vs Ha: μ 6= 10, we find the test z-statistic...

Question

Question

In testing H0: μ = 10 vs Ha: μ 6= 10, we find the test z-statistic is z(obs) = −2.5
Find the P-value of the test.

Answer 1

Answer #1

Solution:

This is the two tailed test

z = -2.5

P(z < -2.5) = 0.0062

P-value = 2 * 0.0062 = 0.0124

Answer 2

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