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assumption is that the new billing system prepared a statistically considerable variance in decreasing the payment time. Therefore, the approval is to continue with marketing the system toother trucking firms.ConclusionThrough the above calculations it was found that the trucking firm has lowered their mean payment time using the new software. With a 95% confidence interval being at most 19.1 days and 99% confidence interval at the most 19.4 days, the new software is below the estimate of 19.5 days. The probability of observing the mean time at or below 18.1077 days is 37%. It has been concluded that the new software has reduced the mean bill payment time. Statistical examination was mandatory to estimate the success of the new system in order to further market the system to other trucking firms. More than likely, the new system will be operated by several trucking firms all over.
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