| Tag | Value |
|---|---|
| file | Probability_uva-expected-value-1124-nl_uva-expected-value-1124-nl |
| name | uva-expected-value-1124-nl |
| section | Probability/Elementary Probability/Random variables/Expected value |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Conceptual |
| Language | Dutch |
| Level | Statistical Literacy |
| IRT-Difficulty | 1.999 |
| p-value | 0.7751 |
Een toevalsvariabele X heeft de volgende kansverdeling:
| Waarde van X | -2 | 0 | 2 |
| Kans | 0,25 | 0,50 | 0,25 |
Wat is dan de variantie van X?