| Exam Board | CAIE |
| Module | S2 (Statistics 2) |
| Year | 2008 |
| Session | November |
| Topic | Linear combinations of normal random variables |
| Type | Sum versus sum comparison |
3 Weights of garden tables are normally distributed with mean 36 kg and standard deviation 1.6 kg . Weights of garden chairs are normally distributed with mean 7.3 kg and standard deviation 0.4 kg . Find the probability that the total weight of 2 randomly chosen tables is more than the total weight of 10 randomly chosen chairs.