A fuel company wishes to determine the proportion of cars that fill up using 95-octane petrol. This

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A fuel company wishes to determine the proportion of cars that fill up using 95-octane petrol. This population proportion needs to be estimated to within 5% and with a 99% level of confidence. Assuming there is no information regarding this population proportion, how large a sample should be selected?

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Related Book For  answer-question

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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