| Tag | Value |
|---|---|
| file | Probability_uva-addition-rule-1108-en_uva-addition-rule-1108-en |
| name | uva-addition-rule-1108-en |
| section | Probability/Elementary Probability/General Rules/Addition rule |
| type | schoice |
| solution | FALSE, FALSE, TRUE, FALSE |
| Type | Conceptual |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 1.382 |
| p-value | 0.8716 |
In recent US elections, 55% of all voters voted Republican and 45% did not. Of the Republicans, 80% vote for candidate X, and of the non-Republicans, 10% vote for candidate X. Take one random voter in the US and define the event B as: Vote for the candidate X. Then what is the probability of P(B)?