Math Problem Statement
In a science competition, 20 students participated in a physics question, and the probability of a student answering incorrectly is 0.35, what is the probability that the number of students who answer incorrectly does not exceed 3?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Binomial Distribution
Formulas
P(X = k) = C(n, k) * p^k * (1 - p)^(n - k)
P(X <= 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12
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