Brandon purchases 95 shares of a stock for $45.49. In 5 years, he sells the stock for $4,533.52. He calculates his ROI, shown below. Did he do this correctly? If not, what error did he make? the quantity 4533 point 52 minus 45 point 49 times 95 over 45 point 49 times 95equals 4 point 9 percent ROI(4 points)

Yes, he solved it correctly.
No, he divided by the wrong number.
No, he should have a negative ROI.
No, he incorrectly calculated his initial investment.

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?