Math Problem Statement

Find the X value corresponding to z = 0.75 for each of the following distributions. µ = 90 and σ = 4 X = µ = 90 and σ = 8 X = µ = 90 and σ = 12 X = µ = 90 and σ = 20 X =

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Normal Distribution
Z-scores

Formulas

X = µ + z * σ

Theorems

Z-Score Interpretation in Normal Distribution

Suitable Grade Level

Grades 9-12