Question
(H7) Sam attempts two penalties. P(scoring first) = 0.7. If she scores the first, P(scoring the second) = 0.8; otherwise P(scoring the second) = 0.5. Find P(she scores both).
[Higher tier]
3 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.