Question: Please answer 4. What are the critical values for two - tailed if a = 0.05? 5. If the confidence level is 99% , then

Please answer

4. What are the critical values for two - tailed if a = 0.05? 5. If the confidence level is 99% , then what a. is the significance level a ? b. is the critical value for a one - tailed test? c. are critical values for a two- tailed

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