Math Problem Statement
Malee randomly picks 8 balls from the bag containing 9 red, 4 green and 3 yellow balls without replacement. What is the probability that at least 3 of the balls drawn are red?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Combinatorics
Complementary Counting
Formulas
Combination formula: \binom{n}{k} = \frac{n!}{k!(n-k)!}
Probability formula: P(A) = \frac{\text{Favorable outcomes}}{\text{Total outcomes}}
Theorems
Complementary Counting
Suitable Grade Level
Grades 10-12