ject Management 3 Time left 2:07:31 estion 4 Effective estimation is critical to the success of projects, programmes and portfolios in any t yet business. You are a project manager for a construction project in Polokwane. Your team is swered about to do the estimation for the project, but you are concerned that they do not fully arked out of understand the different estimation approaches (techniques) Distinguish between top-down, bottom-up, analogous and probabilistic estimating by using Flag uestion appropriate examples in your explanations. Five (5) marks will be awarded for correctly describing and reflecting on each estimating technique. (20) B