A major department store has determined that its customers charge an average of $500 per month, with

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A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80. Assume the amounts of charges are normally distributed.

a. What percentage of customers charges more than $380 per month?

b. What percentage of customers charges less than $340 per month?

c. What percentage of customers charges between $644 and $700 per month?

Related Book For answer-question

Operations Management

ISBN: 978-0078024108

12th edition

Authors: William J Stevenson

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Posted Date: Jan 13, 2020 02:52 AM

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A major department store has determined that its customers charge an average of $500 per month, with

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Operations Management

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