Math Problem Statement
You flip four coins. let x the random variable, be the number of heads on all four coins.
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Random Variables
Binomial Distribution
Formulas
Binomial probability formula: P(X = k) = C(n, k) * p^k * (1 - p)^(n-k)
Expected value of a binomial distribution: E(X) = n * p
Theorems
Binomial Theorem
Suitable Grade Level
Grades 9-12
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