Question: A test of the null hypothesis H0 : = 0 gives a test statistic z = 2.21. (a) What is the p-value if the alternative

A test of the null hypothesis H0 : = 0 gives a test statistic z = 2.21. (a) What is the p-value if the alternative isHA : > 0? (b) What is the p-value if the alternative is HA : < 0? (c) What is the p-value if the alternative is HA : does not = 0?

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