We would like to compare two semiconductor manufacturing processes. Suppose that the number of open circuits on a semiconductor wafer follows Poisson distributions with rates of (for process 1) and 22 (for process 2). A sample of 250 wafers was collected from each process and the total number of open circuits detected in samples 1 and 2 are 800 and 900, respectively. Develop a large-sample hypothesis test to check if both production processes have the same defect (open circuits) rates (Assume a=0.05)

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