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A certain vehicle emission inspection station advertises that the wait time for customers is less than 7 minutes. A local resident wants to test this
A certain vehicle emission inspection station advertises that the wait time for customers is less than 7 minutes. A local resident wants to test this claim and collects a random sample of 49 wait times for customers at the testing station. She finds that the sample mean is 6.41 minutes, with a standard deviation of 2.9 minutes. Does the sample evidence support the inspection station's claim? Use the a = 0.005 level of significance to test the advertised claim that the wait time is less than 7 minutes. . . . What are the hypotheses for this test? minutes minutes (Type an integer or a decimal.) What is the value of the test statistic? (Round to two decimal places as needed.) What is the P-value? P-value = (Round to three decimal places as needed.) Use the a = 0.005 level of significance to test the advertised claim. Since the P-value is than a, the null hypothesis. There sufficient evidence to conclude that the mean wait time is less than 7 minutes. In other words, the evidence the advertised claim
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