Part B **5. (Continuation of GPA). (a) Obtain a 90% interval estimate for the mean freshman GPA for students whose ACT test score is 24. Interpret it in a sentence. (b) Mabel obtained a 25 on the ACT test. Predict her freshman GPA using a 98% prediction interval. Interpret it in a sentence. Is your interval wider than the one in part (a)? Should it be? (c) Determine the boundary values of the 90% confidence band for the regression line when xh = 25. Is your confidence band wider at this point than the interval in part (a)? Should it be?

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Why is x= 4 a solution to the proportion 14/x 56/1 6