0 Question 1 a on pt 0 3 8 99 G) Details Calculate the test-statistic, twith the following information. \"1 = 50, 1 = 2.13, 31 = 0.34 n; = 55, 2 = 2.06, s: = 0.98 Rounded to 2 decimal places. lJ 0 Question 2 B 0\" pt '0 3 8 99 (D Details Givea 99.5% confidence interval. for is] #2 given the following information. 111 = 55, 51 = 2.73, 51 = 0.55 n; = 5|], 52 = 2.34, 32 = 0.98 I I :: I I Minding): Rounded to 2 decimal places. m Question Help: [I] Video E] Written Example 0 Question 3 B on pt 0 3 23' 99 G) Details You are testing the claim that the mean GPA of night students is less than the mean GPA of clay.r students. You sample 60 night students, and the sample mean GPA is 2.86 with a standard deviation of 0.3 You sample 20 day students, and the sample mean GPA is 3.1? with a standard deviation of 0.41 Calculate the test statistic, rounded to 2 decimal places lJ 0 Question 4 8 0H pt '0 3 Z 99 G) Details Two teams are comparing the speed of their runners. Each team ran a lap around a track, and their time in seconds was recorded. Although not a random sample, we can assume that their times are representative of each team's capabilities. We wish to see if there is evidence that Team 1 is faster (lower time} on average than Team 2. You wish to test the following claim [He] at a significance level of or _ 0.05. Balm #2 HE 411