Math Problem Statement
- Diketahui dari 100 siswa kelas XII, terdapat siswa yang mengikuti ekstrakurikuler basket sebanyak 60 orang, siswa yang mengikuti ekstrakurikuler futsal sebanyak 50 orang, dan siswa yang tidak mengikuti kedua ekstrakurikuler tersebut sebanyak 10 orang. Jika salah satu siswa kelas XII dipilih secara acak, peluang terpilih siswa yang mengikuti ekstrakurikuler basket atau futsal adalah
A. 1/10
B. 2/10
C. 5/10
D. 6/10
Ε. 9/10
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Set Theory
Venn Diagram
Formulas
P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
Probability = Number of favorable outcomes / Total number of outcomes
Theorems
Addition rule for probability
Basic set theory (union and complement)
Suitable Grade Level
Grades 10-12
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