| Tag | Value |
|---|---|
| file | Probability_uva-general-rules-765-en_uva-general-rules-765-en |
| name | uva-general-rules-765-en |
| section | Probability/Elementary Probability/General Rules |
| type | num |
| solution | 0.0046 |
| tolerance | 0 |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 0.02 |
| p-value | 0.9226 |
You roll three dice. Suppose X is the number of fours. Below you see a probability distribution of X. What then is the probability P(X = 3)?
—————– ——— ——– ——– — The value of X 0 1 2 3 P(X = x) 125/216 75/216 15/216 ? —————– ——— ——– ——– —
(Give your answer in the form of a fraction: X/Y).
The correct answer is: 0.0046