Math Problem Statement

the mean mark was 22 and with a standard deviation of 6.25 and i scored 22, what portion of students had a lower mark than me

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Normal Distribution
Z-score

Formulas

Z-score formula: z = (X - μ) / σ

Theorems

Central Limit Theorem (related)

Suitable Grade Level

Grades 10-12