The Age of Customers for a Particular Retail Store Follows

question 148

Short Answer

The age of customers for a particular retail store follows a normal distribution with a mean of 37.5 years and a standard deviation of 7.6 years.What is the probability that the next customer who enters the store will be more than 31 years old?

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Definitions:

Copper Mining

The process of extracting copper from the earth, involving digging, blasting, and processing the ore.

Low-Grade Ores

Minerals containing a smaller percentage of valuable metals or minerals, thus requiring more resources to extract them profitably.

Depletion Time

The estimated time it will take to use up a resource at its current rate of consumption.

Mineral Reserves

Quantities of minerals that can be profitably extracted and processed with current technology.