Probability with counting Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | A P(all red) = 215 | Easy | Solved step by step |
| 2 | P(all seniors) = 215 | Easy | Solved step by step |
| 3 | B P(Ann president, Ben vice) = 190 | Easy | Solved step by step |
| 4 | P(all aces) = 1221 | Easy | Solved step by step |
| 5 | C P(all red) = 542 | Medium | Solved step by step |
| 6 | P(1 boy, 1 girl) = 3566 | Medium | Solved step by step |
| 7 | A P(all hearts) = 117 | Medium | Solved step by step |
| 8 | P(Ann president) = 18 | Medium | Solved step by step |
| 9 | A P(2 red, 1 blue) = 1528 | Harder | Solved step by step |
| 10 | P(all kings) ≈ 0.000181 | 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%.