Portage Mainframes Limited (PML) is studying the following three projects.

Required:
(a) Calculate the expected net present value for each project
(b) Calculate the variance for each project
(c) Calculate the standard deviation for each project.

Transcribed Image Text:

Project 1 Project 2 Project 3 NPV (S thousands) 320 450 650 900 NPV (S thousands) 100 200 300 400 Probability NPV $ thousands) 50 250 300 700 Probability Probability 15% 22% 55% 8% 40% 30% 10% 20% 10% 50% 30% 10%