| Tag | Value |
|---|---|
| file | Probability_uva-expected-value-652-en_uva-expected-value-652-en |
| name | uva-expected-value-652-en |
| section | Probability/Elementary Probability/Random variables/Expected value |
| type | num |
| solution | 0.6 |
| tolerance | 0 |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 0.995 |
| p-value | 0.8927 |
A closed box contains five balls: three red and two yellow. If you pick one ball, what is the probability that it is a red ball? (Give the answer with one decimal place. Use a comma as the decimal point).
The correct answer is: 0.6