Math Problem Statement
Suppose n=15 and r=4. What is the probability of x=3 for n=10 (to 4 decimals)?
Solution
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Math Problem Analysis
Mathematical Concepts
Binomial Probability
Combinatorics
Probability Theory
Formulas
P(x = k) = \binom{n}{k} p^k (1-p)^{n-k}
p = \frac{r}{n}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12
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