The test statistic of zequalsnegative 1.71 is obtained when testing the claim that pless thanone third . This is a left-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.LOADING... Click here to view the standard normal distribution table for positive z scores.LOADING... Question content area bottom Part 1 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.) A. There are two critical values; the lower critical value is enter your response here and the upper critical value is enter your response here. B. There is one critical value; the critical value is negative 1.28. Your answer is correct. Part 2 b. Should we reject Upper H 0 or should we fail to reject Upper H 0? A. Upper H 0 should be rejected, since the test statistic is not in the critical region. B. Upper H 0 should be rejected, since the test statistic is in the critical region. C. Upper H 0 should not be rejected, since the test statistic is not in the critical region. D. Upper H 0 should not be rejected, since the test statistic is in the critical region