Math Problem Statement
The mean income of households in a certain city is 25,000 dollars, with a standard deviation of 2,700.
Assuming a normal distribution, determine the probability that a randomly chosen household will have income less than 28,823 dollars.
The probability is: %
(Round your answer to the nearest whole percent)
(Omit the percent sign)
Solution
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Math Problem Analysis
Mathematical Concepts
Normal Distribution
Z-score
Probability
Formulas
Z-score formula: z = (X - μ) / σ
Theorems
-
Suitable Grade Level
Advanced High School
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