Do one of the following, as appropriate. (a) Find the critical value Za/ 2. (b) find the critical value a / 2. (c) state that neither the normal nor the t distribution applies. Confidence level 98%; n = 28; o = 32.2; population appears to be normally distributed. Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table Find the critical value. O A. Za/2= 2.33 O B. Za/2 = 2.055 OC. La/2= 2.473 OD. La/2 = 2.158 O E. Neither normal nor t distribution applies