📝 Conditional Probability: Practice B (S-CP.A.4)

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Construct and interpret two-way frequency tables; find conditional probabilities. Solve each problem.

1. Survey: Plays sport & likes reading 35; sport & not reading 17; no sport & reading 26; no sport & not reading 10. P(reading | plays sport) = ?

2. Survey: Plays sport & likes reading 11; sport & not reading 28; no sport & reading 28; no sport & not reading 28. P(reading | plays sport) = ?

3. Survey: Plays sport & likes reading 29; sport & not reading 17; no sport & reading 12; no sport & not reading 11. P(reading | plays sport) = ?

4. Survey: Plays sport & likes reading 30; sport & not reading 28; no sport & reading 28; no sport & not reading 18. P(reading | plays sport) = ?

5. Survey: Plays sport & likes reading 35; sport & not reading 23; no sport & reading 16; no sport & not reading 37. P(reading | plays sport) = ?

6. Survey: Plays sport & likes reading 18; sport & not reading 40; no sport & reading 32; no sport & not reading 22. P(reading | plays sport) = ?

7. Survey: Plays sport & likes reading 28; sport & not reading 12; no sport & reading 24; no sport & not reading 37. P(reading | plays sport) = ?

8. Survey: Plays sport & likes reading 27; sport & not reading 14; no sport & reading 16; no sport & not reading 33. P(reading | plays sport) = ?

9. Survey: Plays sport & likes reading 27; sport & not reading 37; no sport & reading 31; no sport & not reading 14. P(reading | plays sport) = ?

10. Survey: Plays sport & likes reading 13; sport & not reading 31; no sport & reading 18; no sport & not reading 21. P(reading | plays sport) = ?

11. Survey: Plays sport & likes reading 18; sport & not reading 37; no sport & reading 30; no sport & not reading 33. P(reading | plays sport) = ?

12. Survey: Plays sport & likes reading 24; sport & not reading 17; no sport & reading 17; no sport & not reading 15. P(reading | plays sport) = ?

Answer key: 1) 35/52 · 2) 11/39 · 3) 29/46 · 4) 15/29 · 5) 35/58 · 6) 9/29 · 7) 7/10 · 8) 27/41 · 9) 27/64 · 10) 13/44 · 11) 18/55 · 12) 24/41

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Worksheets › Grade 12 Math (Precalculus & Statistics) › Conditional Probability › Conditional Probability

Grade 12 (ages 17–18)Numbers & mathsFree printable PDF

About this grade 12 worksheet

Free Grade 12 Precalculus & Statistics math worksheet (Common Core S-CP.A.4): conditional probability — a second set of twelve practice problems, with answer key. Skill: Construct and interpret two-way frequency tables; find conditional probabilities. Level: Grade 12 — also suits Year 13 (UK).

For teachers: skills & standards

CCSS S-CP.A.4: Construct and interpret two-way frequency tables; find conditional probabilities
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

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It is designed for Grade 12 (ages 17–18), but use it with any child who is ready.

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Construct and interpret two-way frequency tables; find conditional probabilities.

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More “Conditional Probability” printables (s-cp.a.4: construct and interpret two-way frequency tables; find conditional probabilities)

Conditional Probability: Practice A (S-CP.A.4) · Conditional Probability: Mixed Practice & Reasoning (S-CP.A.4) · Conditional Probability: Show Your Thinking (S-CP.A.4) · Conditional Probability: Quick Check (S-CP.A.4)

All 5 conditional probability sheets → · Grade 12 Math (Precalculus & Statistics): all 10 skills → · All Common Core grades

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