What is the p value if the test is left tailed

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1. The calculated z for a hypothesis test is 1.75. What is the p-value if the test is (a) left-tailed, (b) right-tailed, and (c) two-tailed?

2. What is a test statistic? Why do we have to know the distribution of the test statistic?

Reference no: EM131380941

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