Math Problem Statement
Find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation. (Round your answer to four decimal places.)
P(x ≤ 77), 𝜇 = 70, 𝜎 = 7
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Probability
Normal Distribution
Z-score
Formulas
Z = (x - μ) / σ
Theorems
Empirical Rule
Standard Normal Distribution
Suitable Grade Level
Grades 10-12
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