The test statistic of z = - 1.77 is obtained when testing the claim that p # 0.454. This is a two-tailed test. Using a 0.10 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores. . . . a. Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) O A. There are two critical values; the lower critical value is and the upper critical value is O B. There is one critical value; the critical value is