one month, a random sample of 27 approved life insurance policies is selected, a

Question

one month, a random sample of 27 approved life insurance policies is selected, and the total processing Sime, in days, is recorded as shown in data table below. Complete parts (a) through (d). Click the icon to view the data table. a. In the past, the mean processing time was 47 days. At the 0.05 level of significance, is there evidence that the mean processing time has changed from 47 day State the null and alternative hypotheses. More Info Tota 72 19 16 64 28 28 31 90 59 52 25 56 22 18 52 57 28 7 17 91 93 63 50 51 69 16 17 Print Done

Explanation / Answer

Solution:

Test Hypothesis:
null hypothesis H0: = 47
Alternative hypothesis H1: 47

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