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1 2 22 An insurance company's insured population of 10,000 customers has a standard deviation of $70. How many customers does it need to insure to get the standard deviation to $20

1 2 22 An insurance company's insured population of 10,000 customers has a standard deviation of $70. How many customers does it need to insure to get the standard deviation to $20

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1 2 3 4 A An insurance company's insured population of 10,000 customers has a standard deviation of $70. How many customers does it need to insure to get the standard deviation to $20 B THE
Transcribed Image Text:1 2 3 4 A An insurance company's insured population of 10,000 customers has a standard deviation of $70. How many customers does it need to insure to get the standard deviation to $20 B THE
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