The monthly mobile phone bill for all customers at a large telecommunications company is found to be
Question:
The monthly mobile phone bill for all customers at a large telecommunications company is found to be normally distributed with a mean of $145.55 per month and standard deviation of $15.22 per month. What value would be exceeded by 65% of sample means if the sample size was 40?
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n 40 14555 ...View the full answer
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Aun Ali
I am an Associate Member of Cost and Management Accountants of Pakistan with vast experience in the field of accounting and finance, including more than 17 years of teaching experience at university level. I have been teaching at both undergraduate and post graduate levels. My area of specialization is cost and management accounting but I have taught various subjects related to accounting and finance.
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Related Book For 
Business Analytics And Statistics
ISBN: 9780730363330
1st Edition
Authors: Ken Black, John Asafu Adjaye, Paul Burke, Nelson Perera, Carl Sherwood, Saleh A. Wasimi
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