Mathematics, 08.04.2020 00:10, hjeffrey168

Abdullah is a quality control expert at a factory that paints car parts. He knows that 20\ , percent of parts have an error in their painting. He recommended a change in the painting process, and he wanted to see if this error rate had changed. He took a random sample of 400400400 parts painted in a month and found that 606060 had an error.

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Abdullah is a quality control expert at a factory that paints car parts. He knows that 20\ , percent...