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A consumer advocate group selects a random sample of 20 ink cartridges and finds that the average number of printouts per ink cartridge is 460

A consumer advocate group selects a random sample of 20 ink cartridges and finds that the average number of printouts per ink cartridge is 460 with a standard deviation of 52. Find the 96% confidence interval for the population mean of printouts per ink cartridge.

Enter the lower and upper bounds for the interval in the following boxes, respectively. Round your answers to the same accuracy as the mean and standard deviation of the data.

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