Math Problem Statement

Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage and fill in the blank. About ____% of the area between z = -1 and z = 1 ( or within 1 standard deviation of the mean). DONT round answer

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Standard Normal Distribution
Probability

Formulas

P(z ≤ 1) - P(z ≤ -1)
Area = 0.8413447461 - 0.1586552539
Percentage = Area × 100

Theorems

Empirical Rule (68-95-99.7 Rule)

Suitable Grade Level

Grades 10-12