Mathematics · Conditional Probability
The table below summarizes the distribution of age and assigned group for 90 participants in a study. Group 0-9 years 10-19 years 20+ years Total Group A 7 14 9 30 Group B 6 4 20 30 Group C 17 12 1 30 Total 30 30 30 90 One of these participants will be selected at random. What is the probability of selecting a participant from group A, given that the participant is at least 10 years of age?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 60
- 223 30
- 323 90
- 423 60✓
Correct answer
23 60
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