💬 Conditional Probability: Mixed Practice & Reasoning (S-CP.A.4)

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Construct and interpret two-way frequency tables; find conditional probabilities. Read each problem. Draw or write to solve. Label your answer.

1. Survey: Plays sport & likes reading 19; sport & not reading 26; no sport & reading 31; no sport & not reading 14. P(reading | plays sport) = ?

Work

Answer: ______________

2. Survey: Plays sport & likes reading 29; sport & not reading 25; no sport & reading 12; no sport & not reading 10. P(reading | plays sport) = ?

Work

Answer: ______________

3. Survey: Plays sport & likes reading 14; sport & not reading 23; no sport & reading 32; no sport & not reading 31. P(reading | plays sport) = ?

Work

Answer: ______________

4. Survey: Plays sport & likes reading 33; sport & not reading 13; no sport & reading 29; no sport & not reading 20. P(reading | plays sport) = ?

Work

Answer: ______________

5. Survey: Plays sport & likes reading 13; sport & not reading 13; no sport & reading 38; no sport & not reading 38. P(reading | plays sport) = ?

Work

Answer: ______________

6. Survey: Plays sport & likes reading 29; sport & not reading 15; no sport & reading 19; no sport & not reading 33. P(reading | plays sport) = ?

Work

Answer: ______________

Answer key: 1) 19/45 · 2) 29/54 · 3) 14/37 · 4) 33/46 · 5) 1/2 · 6) 29/44

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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 — mixed practice with space to reason and check, 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.

What skills does it build?

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: Practice B (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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