Math Problem Statement
Mark has a batting average of 0.155. Let X be the number of hits in his next 18 at bats. What is the distribution of X? X (,) Please show the following answers to 4 decimal places. What is the probability that he has exactly 6 hits? What is the probability that he has less than 6 hits? What is the probability that he has at most 6 hits? What is the probability that he has between 3 and 9 (including 3 and 9) hits?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Binomial Distribution
Formulas
Binomial Probability Mass Function (PMF): P(X = k) = (n choose k) * p^k * (1 - p)^(n - k)
Cumulative Probability: P(X ≤ k) = Σ P(X = i) for i = 0 to k
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12
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