4.75 Servings of fruits and vegetables. The following table gives the distribution of the number of servings of fruits and vegetables consumed per day in a population.
| Number of servings X | 0 | 1 | 2 | 3 | 4 | 5 |
| Probability | 0.3 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 |
Find the mean for this random variable.