Drag the correct critical value to each blank. You will not use all choices. a). Find za for a 92% confidence interval. b). Find to for 95% level of confidence with a sample size of n = 30. c). Find x, for a 95% level of confidence with a sample size of n = 30. 1.751 2.692 16.047 17.708 16.791 2.576 1.405 1.96 2.045