You want to compare the variation of heights of econ 202 (population 1) and econ 203 (population 2) students. you used a random sample of 48 econ 202 students and found a variance of 16 inches, while a sample of 63 econ 203 students had a variance of 14 inches. if you test whether the variances of the two populations are equal, the test statistic will have a value of: note. you should not change the way how the populations are labeled for this question. a. 0.9 b. 1.14 c. 1.56 d. 0.76

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?