Practice
17,999Endless problems made on demand, each with an exactly computed answer. Every click is a new one.
Curated
6| # | Title | Difficulty | Tags | |
|---|---|---|---|---|
| 183 | The average roll | Easy | ||
| 184 | Waiting for a six | Easy | ||
| 437 | Expected sum of two dice | Easy | ||
| 438 | Expected heads | Easy | ||
| 439 | Is it a fair game? | Easy | ||
| 444 | Mean of a uniform variable | Easy |
From open sources
3Showing everything, including problems with no answer to check, a missing figure, or a near-copy elsewhere. Show only complete problems
| # | Title | Difficulty | |
|---|---|---|---|
| 128326 | Expected Value · Example 2 | Easy | |
| 128327 | Expected Value · Example 3 | Easy | |
| 128325 | Expected Value · Example 1 | Easy |