8 appreciate the role of computer-based financial modelling.

Icarus Publications is in the process of preparing its annual sales forecasts and has supplied you with the probability distribution for its annual sales as set out below. You have been asked to calculate the expected sales value for use in the sales forecast.
Sales value (£m) Probability 40 0.10 45 0.15 50 0.50 55 0.15 60 0.10