Math Problem Statement
x P(x) 0 0.001 1 0.018 2 0.039 3 0.114 4 0.206 5 0.235 6 0.208 7 0.116 8 0.037 9 0.012 10 0.014Use the range rule of thumb to identify a range of values that are not significant. The maximum value in this range is 9 girls. (Round to one decimal place as needed.)
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Probability Distribution
Range Rule of Thumb
Formulas
Mean (μ) = Σ[x * P(x)]
Standard Deviation (σ) = sqrt(Σ[(x - μ)^2 * P(x)])
Range Rule of Thumb: Lower Bound = μ - 2σ, Upper Bound = μ + 2σ
Theorems
Range Rule of Thumb
Suitable Grade Level
Grades 9-12
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