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Question 11 of 27 This test: 62 point(s) possible This question: 6 point(s) possible Submit test During a period of one month, a random sample of 27 approved life insurance policies is selected, and the total processing time, in days, is recorded as shown in the data table below. Complete V parts (a) through (d). Click the icon to view the data table. a. In the past, the mean processing time was 48 days. At the 0.10 level of significance, is there evidence that the mean processing time has changed from 48 days? State the null and alternative hypotheses. X Ho: H More Info Hy : H V 0 Total processing time, in days Determine the test statistic. 75 19 16 64 28 28 31 90 60 32 22 18 40 50 22 17 17 91 85 63 50 69 16 The test statistic is. (Round to four decimal places as needed.) Find the p-value. Print Done p-value = (Round to four decimal places as needed.) State the conclusion. Ho. There is V evidence to conclude that the mean processing time has changed from 48 days. b. What assumption about the population distribution is needed in order to conduct the t test in (a)? A. The population distribution is skewed. O B. The population distribution is approximately normal. O C. The population distribution is approximately uniform. Time Remaining: 01:02:49 Next