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Assume that a batch of incoming parts has a defective rate of 2% or 0.02 (A part is either defective or not defective). A sample

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Assume that a batch of incoming parts has a defective rate of 2% or 0.02 (A part is either defective or not defective). A sample of 400 parts is drawn and inspected. What is the probability of finding 4 or fewer defectives? Round your answer to 4 places after the decimal point (e.g. XXXXX)

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