Expected value Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | A E = $0.40 | Easy | Solved step by step |
| 2 | E = $1 | Easy | Solved step by step |
| 3 | B E ≈ $0.33 | Easy | Solved step by step |
| 4 | E = $0 | Easy | Solved step by step |
| 5 | E = $0 | Medium | Solved step by step |
| 6 | E = −$0.70 | Medium | Solved step by step |
| 7 | E ≈ −$0.17 | Medium | Solved step by step |
| 8 | E = −$3 | Harder | Solved step by step |
| 9 | E = −$2 | Harder | Solved step by step |
| 10 | E = $0.25 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.