Time_Case_Study.docx - Payment Time Case Study(Griffin...

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Payment Time Case Study (Griffin) Introduction The main focus of the report is to show how the new billing system, developed by the trucking company, can be used to establish that the new system can significantly reduce the payment times. A1. Using the 95% confidence interval, can we be 95% confident interval and state whether or not the billing system was effective that µ ≤ 19.5 days?

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