B. Given the a value and the z value. Indicate whether the decision is to reject or to accept the null hypothesis for each of the following:
1. a = 0.05, z = 3.7, two-tailed
2. a = 0.01, z = -1.98, two-tailed
3. α = 0.01, z = -0.77, one-tailed
4. a = 0.05, z = 2.2, one-tailed
5. a = 0.01, z = -2.2, two-tailed


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