Determine the appropriate critical value(s} for each of the tests in parts a through d below concerning the population proportion. K Click the icon to View the standard normal distribution table. a. lower-tailed test: a = 0.01, n = 46 z = - 2.330 (Round to three decimal places as needed. Use a comma to separate answers as needed.) b. upper-tailed test: a: 0.005. n = 26 2= 2.576 (Round to three decimal places as needed. Use a comma to separate answers as needed.) c. two-tailed test: or = 0.10. n =124 FD (Round to three decimal places as needed. Use a comma to separate answers as needed.)