MAT 300

MILESTONE 18/25 You passed this Milestone 18 questions were answered correctly . 7 questions were answered incorrectly . 1 Adam tabulated the values for the average speeds on each day of his road trip as 60.5, 63.2, 54.7, 51.6, 72.3, 70.7, 67.2, and 65.4 mph. He wishes to construct a 98% confidence interval. What value of t* should Adam use to construct the confidence interval? Answer choices are rounded to the thousandths place. 2.517 2.896 4.489 2.998 RATIONALE Recall that we have...

19 questions were answered correctly. 5 questions were answered incorrectly. 1 Adam tabulated the values for the average speeds on each day of his road trip as 60.5, 63.2, 54.7, 51.6, 72.3, 70.7, 67.2, and 65.4 mph. The sample standard deviation is 7.309. Select the 98% confidence interval for Adam’s set of data.  46.94 to 79.46  55.45 to 70.95  46.94 to 71.33  55.45 to 79.46 RATIONALE In order to get the 98% CI , we first need to find the critical t-score. Using a ...