# Question

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

a. 10 percent level of significance, two-tailed test

b. 1 percent level of significance, right-tailed test

c. 5 percent level of significance, left-tailed test

a. 10 percent level of significance, two-tailed test

b. 1 percent level of significance, right-tailed test

c. 5 percent level of significance, left-tailed test

## Answer to relevant Questions

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