Question: Use Excel to find the critical value of z for each hypothesis test. (Negative values should be indicated by a minus sign. Round your

Use Excel to find the critical value of z for each hypothesis

Use Excel to find the critical value of z for each hypothesis test. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.) (a) 4 percent level of significance, two-talled test. Critical value of z (b) 3 percent level of significance, right-talled test. Critical value of z (c) 8 percent level of significance, left-tailed test. Critical value of z

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