Math Problem Statement
At a customer service call center for a large company, the number of calls received per hour is normally distributed with a mean of 170 calls and a standard deviation of 5 calls. What is the probability that during a given hour of the day there will be more than 178 calls, to the nearest thousandth?
Solution
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Math Problem Analysis
Mathematical Concepts
Normal Distribution
Z-score
Probability
Formulas
Z-score formula: z = (X - μ) / σ
Theorems
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Suitable Grade Level
Advanced High School
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