| Tag | Value |
|---|---|
| file | Probability_uva-variance-1094-en_uva-variance-1094-en |
| name | uva-variance-1094-en |
| section | Probability/Elementary Probability/Random variables/Variance |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Conceptual |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 2 |
| p-value | 0.5905 |
You have 1,000 euros and a plan to invest your money. In the following table you will find the possible net profits in a year and the probability of these profits.â Plan
————- —— Net profit Chance € 20 0,3 € 10 0,2 € 4 0,5 ————- ——
What is the variance of this plan?