Question: Find the p-value for the following large-sample z tests: a. A right-tailed test with observed z = 1.15 b. A two-tailed test with observed z

Find the p-value for the following large-sample z tests:
a. A right-tailed test with observed z = 1.15
b. A two-tailed test with observed z = - 2.78
c. A left-tailed test with observed z = - 1.81

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