Acompany wants to determine a confidence interval for the average cpu time of its teleprocessing transactions. a sample of 70 random transactions in milliseconds is given below. assume that the transaction times follow a normal distribution with a standard deviation of 600 milliseconds. use excel to determine a 98% confidence interval for the average cpu time in milliseconds. round your answers to the nearest integer and use ascending order.

so, converting firstly the mixed fractions to improper fractions and then "adding".

step-by-step explanation:

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