Can someone please help me with finding these critical z

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Can someone please help me with finding these critical z scores.

1. What is z (critical) for a positive one-tailed test with an alpha of .05?

2. What is z (critical) for a negative one-tailed test with an alpha of .01?

3. What is the positive z (critical) value for a two-tailed test with an alpha of .10?

4. What is the negative z (critical) value for a two-tailed test with an alpha of .10?

Reference no: EM13606583

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